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【简答题】
请结合实例分析礼仪的功能。
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皮皮学刷刷变学霸
举一反三
【单选题】The circuit below can be used as a(n) ________.
A.
4-bit half-adder
B.
8-bit comparator
C.
dual 4-line multiplexer
D.
4-bit comparator
【单选题】For the circuit below, analyze this circuit to determine all node voltages and branch currents. (assumeβ=100). Which one of the following observations of this circuit is correct?【图片】
A.
The BJT in this circuit is working in saturation mode
B.
=6V
C.
=2.48V
D.
=1.6mA
【单选题】For the circuit below, analyze this circuit to determine all node voltages and branch currents. (assumeβ=100). Which one of the following observations of this circuit is correct?【图片】
A.
The BJT in this circuit is working in saturation mode
B.
= 1.5 mA
C.
=5.3V
D.
=4V
【简答题】金属冷变形后,随加热温度由低到高,其变化过程大致分为 ______、 ________ 和 ________ 三个阶段 。
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