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【简答题】
在CDMA2000 1x系统中，发生在同一个BSC控制下的同一个BTS间的不同扇区间的软切换称为（）。
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反馈参考答案：
举一反三
【判断题】企业根据生产费用核算和产品成本计算的需要,一般在“生产成本”总分类账户下分设“基本生产成本”和“辅助生产成本”两个二级账户,也可以设置“基本生产成本”和“辅助生产成本”两个一级账户。( )
A.
正确
B.
错误
【多选题】According to the functional feature of interface, there are , different interfaces.
A.
z ero interface
B.
passive interface
C.
active interface
D.
intelligent interface
E.
digital interface
F.
analog interface
【单选题】According to the passage, which statement is not true? ______
A.
There are two types of multimeters—digital multimeters and analog multimeters.
B.
A digital multimeter displays readings in numbers on a liquid crystal display.
C.
Compared to the analog multimeters， the digital ones have less functions and are more inaccurate.
D.
An analog multimeter indicates values with a needle over a scale.
【单选题】There are ten analog signals, each of bandwidth B=4kHz. Samples of these signals are time-division-multiplexed, quantized and binary-coded. If the number of quantization levels L is 200, the step size...
A.
1, 1/3
B.
1, 1/2
C.
2, 1/3
D.
2, 1/2
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