超星 - L27-句子词汇 - 查题吧

单选题

Limited Warranty： PASCO warrants the product to be free from defects in materials and workmanship for a period of one year from the date of shipment to the customer. PASCO will repair or replace, at its option, any part of the product which is deemed to be defective in material or workmanship. The warranty does not cover damage to the product caused by abuse or improper use.

A. 材料和工艺上的缺陷
B. 修理或更换
C. 滥用或使用不当造成的
D. 有限的质量保证

单选题

Product Manual ：DC Power Supply provides two a regulated DC output. The DC output can be delivered in two modes:constant voltage mode and constant current mode.

A. 直流电源供电器
B. 产品说明书
C. 直流稳压输出
D. 恒压模式和恒流模式

单选题

Front PanelCV indicator ：lights when the power turn on and constant voltage operation；CC indicator：lights when this unit in constant current operation.

A. 前面板
B. 恒压运行模式
C. 恒流运行模式
D. 指示器（灯）

单选题

Voltage coarse for the coarse adjustment of the output voltage.Voltage fine for the fine adjustment of the output voltage.Current coarse for the coarse adjustment of the output current.Current fine for the fine adjustment of the output current.

A. 电流细调
B. 电流粗调
C. 电压粗调
D. 电压细调

单选题

‘+’ terminal positive polarity ( Red ).‘GND’ terminal earth and chassis ground ( Green ).‘－’ terminal negative polarity ( Green ).

A. 正极
B. 负极
C. 接地端
D. 机壳接地

单选题

Digital meter indicates the output voltage ( Digital type ).Analog meter indicates the output voltage ( Analog type ).A/V select selects the meter indicates of the output voltage or current.Power control on/off switch

A. 电源开关
B. 电流/电压选择
C. 数字表
D. 模拟表

单选题

Master-Slave：Selects for Master ( internal control ) or Slave ( external remote control ) operation.

A. 外部远程控制
B. 内部控制
C. 主控模式
D. 从动模式

单选题

Constant Voltage Mode: Turn the DC CURRENT ADJUST knob fully clockwise. Then adjust the DC VOLTAGE ADJUST knob to obtain the desired output voltage, as indicated on the meter. The output current is displayed on the current meter.

A. 恒压模式
B. 直流电流
C. 顺时针旋转
D. 调节旋钮

单选题

Maintenance Fuse Replacement : Try to determine and correct the cause of the blown fuse, then replace only with a fuse of the correct rating and type.

A. 保险丝替换（更换）
B. 维修
C. 保险丝熔断
D. 等级和类型

单选题

Main specifications Outputs: regulated for both constant-voltage and constant-current operation. Both current and voltage continuously variable over the range 0 to 24 V DC and 0 to 10 amperes maximum.

A. 电压范围
B. 最大安培值
C. 规格（指标）
D. 电压连续变化

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