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通常定义话音信号的最高频率为（）；数字话音信号使用的采样频率为（）。 通常定义话音信号的最高频率为（）
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It should go without saying that the focus of UML is modeling. However, what that means, exactly, can be an open-ended question. （）is a means to capture ideas, relationships, decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey. In general, a UML model is made up of one or more（）. A diagram graphically represents things, and the relationships between these things. These（）can be representations of real-world objects, pure software constructs, or a description of the behavior of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled. UML 2.0 divides diagrams into two categories: structural diagrams and behavioral diagrams.（）are used to capture the physical organization of the things in your system, i.e., how one object relates to another.（）focus on the behavior of elements in a system. For example, you can use behavioral diagrams to capture requirements, operations, and internal state changes for elements. In general, a UML model is made up of one or more（）.
话题类别 政府类 考题文字： Some people think that government should establish free libraries in each town. While others believe that it is a waste of money since people can obtain information from the internet at home. Discuss both sides and give your own opinion.
MPEG-1的视频图像序列由帧内图像、预测图像和（）构成，其中（）的数据量最少。MPEG-1视频编码的运动补偿是基于（）的宏块进行的，图像的DCT编码是在（）颜色空间进行的。 图像的DCT编码是在（）颜色空间进行的。
什么是德育的途径我国小学德育的途径有哪些
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