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原型内化的教学要求之一是活动在言语水平上先______，以后再______。
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防火墙是隔离内部网和外部网的一类安全系统。通常防火墙中使用的技术有包过滤和代理两种。路由器可以根据 (35) 进行过滤，以阻拦某些非法访问。 (36) 是一种代理协议，使用该协议的代理服务器是一种 (37) 网关。另外一种代理服务器使用 (38) 技术，它可以把内部网络中的某些私有IP地址隐藏起来。 安全机制是实现安全服务的技术手段，一种安全机制可以提供多种安全服务，而一种安全服务也可采用多种安全机制。加密机制不能提供的安全服务是 (39) 。
根据以下资料。回答下列问题。 据海关统计，浙江省纺织纱线、织物及制品、床垫、寝具及类似品出口额从2004年的11.50亿美元上升到2009年的31.44亿美元，占出口额的比重从11.4%上升到13.7%，上升2.3个百分点。全部国有及年产品销售收入500万元以上的非国有纺织企业(即规模以上纺织企业，下同)出口交货值占销售产值的比重上升。2009年，全省规模以上纺织企业实现出口交货值320.05亿元，占销售产值的30.7%，不仅比2006年提高3.3个百分点，而且比制造业高4.4个百分点。 根据国家统计局工业经济效益评价考核体系测算，2009年，浙江省规模以上纺织企业综合经济效益指数达到132.38，比2004年上升50.55点。 纺织业生产、销售增长速度低于制造业平均水平，但利润、利税增幅明显快于制造业。2004-2009年，浙江省规模以上纺织企业实现工业增加值、产品销售收入年均增幅分别为12.8%和12.9%，比同期制造业平均水平低2.9和2.6个百分点；实现利润、利税额年均增幅分别为118.4%和29.3%，比制造业平均水平高86.6和6个百分点。 2004-2009年浙江省规模以上纺织业综合经济效益指数指标2004年2005年2006年2007年2008年2009年综合经济效益指数81.8389.7298.79109.27123.82132.38总资产贡献率(%)8.178.518.699.3710.9212.09资本保值增值率(%)105.33110.77125.80105.53110.67122.59资产负债率(%)71.0369.8166.3564.9261.5459.43流动资产周转率(次)1.861.982.122.362.752.78成本费用利润率(%)0.761.592.043.564.324.79全员劳动生产率(元)161051891823324284893392237703产品销售率(%)94.6496.0995.3696.9597.2397.03 下列描述不正确的是( )。
Panasonic NV-F55MC operating InstructionsⅠ. Installation (Ⅰ) Connection to a TV set 1. Connect the external aerial (天线) to the RF Input Socket (插座) on the VTR (Videotape Recorder). 2. Connect the aerial terminal on your TV set to the RF Output Socket on the VTR with the supplied DIN-DIN Coaxial Cable. In places with higher temperature and high humidity (湿度), people with sensitive skin may feel some electricity. In this case, use the Separate Transformer Adaptor. 3. Connect the AC Mains Lead to the AC Mains Socket of the VTR to the mains outlet. 4. If the TV set is equipped with separate video and audio input sockets, it is recommended to connect the VTR to the TV set with separate video and audio cables. (Ⅱ) Connection to a Stereo Amplifier 1. Connect the Audio Input Sockets on the VTR to the REC OUT Sockets on the Stereo Amplifier. 2. Connect the Audio Output Sockets on the VTR to the PLAYBACK Sockets on the Stereo Amplifier.Ⅱ. Tuning the TV Set to the Video Playback Channel (Ⅰ) Video Playback Channel Adjustor 1. Turn the TV set on and select the AV program position or another program position that is not occupied by another TV station. 2. Press the VTR ON/OFF Switch to turn the VTR on. The corresponding indicator lights up. 3. Set the Karaoke Switch to "1" or "2". 4. Tune the selected program position of the TV set to UHF approx, channel C25 ( PAL D) or E38 (PAL I/SECAM D. K. ). Confirm on your TV set that the blue screen appears. ( C25: China channel 25; E38: Europe standard channel 38) If UHF channel E38 (C25) is already occupied by a TV station in your area, the video playback channel can be changed between channel 32 to 40 (24 to 27) on the back of the VTR by using a small screwdriver. 5. Set the Karaoke Switch to "NORMAL". Your TV is now ready to receive the RF output signal from the VTR. 6. To check, playback a pre-recorded tape and confirm that the picture quality is satisfactory. (Ⅱ) RF Selector Use the RF Selector to select the color TV system used by the TV set to be connected. (Ⅲ) PAL/MESECAM SelectorThis selector should be set according to the color TV system used during recording and play back. When the MESECAM Indicator is lit, the MESECAM is selected.Ⅲ. The Video Cassette (Ⅰ) Inserting a Video Cassette 1. Insert the video cassette as shown. The VTR will be turned on automatically and the cassette will be automatically drawn into the VTR. 2. When a video cassette is inserted, the "" mark will appear. When a video cassette with broken erasure (擦除) prevention tab (for example a pre recorded tape) is inserted, playback will start immediately. Use the VHS video cassette tapes only. We recommend the "Panasonic Hi-Fi" high grade video cassette tapes for improved picture and sound quality. (Ⅱ) Removing a Video Cassette Press the Eject (弹出) Button. Simply press the Eject button, the VTR turns itself on, ejects the cassette and turns itself off again.Ⅳ. Karaoke Playback (Ⅰ) Preparation 1. Make sure that the Timer Record Function is set to "OFF". 2. Insert a Karaoke video cassette. 3. Turn the TV set on and select the video playback channel. 4. Set the Noise Filter/Edit Selector to "OFF". 5. Connect a microphone to the Microphone Socket on the VTR. 6. Set Karaoke Switch to "1" or "2". 7. Select a desired tune. (Ⅱ) Singing along with a video cassette 1. Press the Play Button to begin the playback. 2. Adjust the sound volume of the Microphone to the proper volume with the Microphone Mixing Level Control while singing. If the volume is too high, the sound from the speaker may become distorted (扭曲). If acoustic (声音的) feedback occurs, turn the microphone volume down, use the microphone farther away from the speakers, hold the microphone so that it is not pointed toward the speakers, or turn the volume of the TV set down. 3. Adjust the echo effect to your taste with the Echo Control while singing. It is possible to apply the echo effect to the sound from both Microphone 1 and 2 at the same time. 4. Press the Stop Button to stop the playback.Ⅴ. Making Karaoke Tapes (Ⅰ) Preparation 1. Make the necessary connections as shown in the connection diagram. 2. Press the Input Signal Selector on the Remote Controller to select the "Al" program position (or select with the Channel Up or Down Button on the VTR). 3. Set the VTR System Selector to "PAL/MESECAM", "4.43" or "3.58" according to the color TV system of the video source. 4. Connect the VTR to a TV set equipped with separate video and audio input sockets and using the same color TV system as the video source. (Ⅱ) Cautions for Making Karaoke Tapes When making Karaoke tapes, be sure to adhere to the following points. 1. Select the SP mode on the VTR for recording. 2. Make sure that the length of the intervals between tunes ( soundless parts) is more than 6 seconds. Make sure that the noise level of these parts is kept to an absolute minimum. 3. Record only tunes with a length of more than 40 seconds. 4. When making Karaoke tapes, use the Pause/Still Button for editing. This minimizes noise at the points where successive recordings are joined.Ⅵ. Recording from a TV Broadcast Signal (Ⅰ) Preparation 1. Make sure that the Timer Record Function is set to "OFF". 2. Insert a video cassette with tile erasure prevention tab intact. 3. Set the Tape Speed Selector to "SP" or "LP". 4. Adjust the audio recording level as shown. (Ⅱ) Tape Speed Selector (SP/LP) For recording, either of two tape speeds can be selected. During playback, the VTR will automatically select the correct speed. SP Mode: For better picture quality. LP Mode: For longer recording time. The picture quality in the LP mode is not as good as that in the SP mode. (Ⅲ) Recording 1. Select on the VTR, the program position (channel) to be recorded. In order to confirm proper reception, turn on the TV set and select the video playback channel 2. Press the Record Button. 3. To finish the recording, press the Stop Button. Note: If the Karaoke Switch is not set to "NORMAL", recording is not possible. Confirm that the VTR System Selector is set to "PAL/MESECAM". The Edit Button is available for editing when we are making Karaoke.
Panasonic NV-F55MC operating InstructionsⅠ. Installation (Ⅰ) Connection to a TV set 1. Connect the external aerial (天线) to the RF Input Socket (插座) on the VTR (Videotape Recorder). 2. Connect the aerial terminal on your TV set to the RF Output Socket on the VTR with the supplied DIN-DIN Coaxial Cable. In places with higher temperature and high humidity (湿度), people with sensitive skin may feel some electricity. In this case, use the Separate Transformer Adaptor. 3. Connect the AC Mains Lead to the AC Mains Socket of the VTR to the mains outlet. 4. If the TV set is equipped with separate video and audio input sockets, it is recommended to connect the VTR to the TV set with separate video and audio cables. (Ⅱ) Connection to a Stereo Amplifier 1. Connect the Audio Input Sockets on the VTR to the REC OUT Sockets on the Stereo Amplifier. 2. Connect the Audio Output Sockets on the VTR to the PLAYBACK Sockets on the Stereo Amplifier.Ⅱ. Tuning the TV Set to the Video Playback Channel (Ⅰ) Video Playback Channel Adjustor 1. Turn the TV set on and select the AV program position or another program position that is not occupied by another TV station. 2. Press the VTR ON/OFF Switch to turn the VTR on. The corresponding indicator lights up. 3. Set the Karaoke Switch to "1" or "2". 4. Tune the selected program position of the TV set to UHF approx, channel C25 ( PAL D) or E38 (PAL I/SECAM D. K. ). Confirm on your TV set that the blue screen appears. ( C25: China channel 25; E38: Europe standard channel 38) If UHF channel E38 (C25) is already occupied by a TV station in your area, the video playback channel can be changed between channel 32 to 40 (24 to 27) on the back of the VTR by using a small screwdriver. 5. Set the Karaoke Switch to "NORMAL". Your TV is now ready to receive the RF output signal from the VTR. 6. To check, playback a pre-recorded tape and confirm that the picture quality is satisfactory. (Ⅱ) RF Selector Use the RF Selector to select the color TV system used by the TV set to be connected. (Ⅲ) PAL/MESECAM SelectorThis selector should be set according to the color TV system used during recording and play back. When the MESECAM Indicator is lit, the MESECAM is selected.Ⅲ. The Video Cassette (Ⅰ) Inserting a Video Cassette 1. Insert the video cassette as shown. The VTR will be turned on automatically and the cassette will be automatically drawn into the VTR. 2. When a video cassette is inserted, the "" mark will appear. When a video cassette with broken erasure (擦除) prevention tab (for example a pre recorded tape) is inserted, playback will start immediately. Use the VHS video cassette tapes only. We recommend the "Panasonic Hi-Fi" high grade video cassette tapes for improved picture and sound quality. (Ⅱ) Removing a Video Cassette Press the Eject (弹出) Button. Simply press the Eject button, the VTR turns itself on, ejects the cassette and turns itself off again.Ⅳ. Karaoke Playback (Ⅰ) Preparation 1. Make sure that the Timer Record Function is set to "OFF". 2. Insert a Karaoke video cassette. 3. Turn the TV set on and select the video playback channel. 4. Set the Noise Filter/Edit Selector to "OFF". 5. Connect a microphone to the Microphone Socket on the VTR. 6. Set Karaoke Switch to "1" or "2". 7. Select a desired tune. (Ⅱ) Singing along with a video cassette 1. Press the Play Button to begin the playback. 2. Adjust the sound volume of the Microphone to the proper volume with the Microphone Mixing Level Control while singing. If the volume is too high, the sound from the speaker may become distorted (扭曲). If acoustic (声音的) feedback occurs, turn the microphone volume down, use the microphone farther away from the speakers, hold the microphone so that it is not pointed toward the speakers, or turn the volume of the TV set down. 3. Adjust the echo effect to your taste with the Echo Control while singing. It is possible to apply the echo effect to the sound from both Microphone 1 and 2 at the same time. 4. Press the Stop Button to stop the playback.Ⅴ. Making Karaoke Tapes (Ⅰ) Preparation 1. Make the necessary connections as shown in the connection diagram. 2. Press the Input Signal Selector on the Remote Controller to select the "Al" program position (or select with the Channel Up or Down Button on the VTR). 3. Set the VTR System Selector to "PAL/MESECAM", "4.43" or "3.58" according to the color TV system of the video source. 4. Connect the VTR to a TV set equipped with separate video and audio input sockets and using the same color TV system as the video source. (Ⅱ) Cautions for Making Karaoke Tapes When making Karaoke tapes, be sure to adhere to the following points. 1. Select the SP mode on the VTR for recording. 2. Make sure that the length of the intervals between tunes ( soundless parts) is more than 6 seconds. Make sure that the noise level of these parts is kept to an absolute minimum. 3. Record only tunes with a length of more than 40 seconds. 4. When making Karaoke tapes, use the Pause/Still Button for editing. This minimizes noise at the points where successive recordings are joined.Ⅵ. Recording from a TV Broadcast Signal (Ⅰ) Preparation 1. Make sure that the Timer Record Function is set to "OFF". 2. Insert a video cassette with tile erasure prevention tab intact. 3. Set the Tape Speed Selector to "SP" or "LP". 4. Adjust the audio recording level as shown. (Ⅱ) Tape Speed Selector (SP/LP) For recording, either of two tape speeds can be selected. During playback, the VTR will automatically select the correct speed. SP Mode: For better picture quality. LP Mode: For longer recording time. The picture quality in the LP mode is not as good as that in the SP mode. (Ⅲ) Recording 1. Select on the VTR, the program position (channel) to be recorded. In order to confirm proper reception, turn on the TV set and select the video playback channel 2. Press the Record Button. 3. To finish the recording, press the Stop Button. Note: If the Karaoke Switch is not set to "NORMAL", recording is not possible. Confirm that the VTR System Selector is set to "PAL/MESECAM". This passage is mainly about how to use a videotape recorder.
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