【判断题】ICL7106型A/D转换器的数字电路部分主要包括时钟振荡器、分频器、计数器、锁存器、译码器、异或门相位驱动器、控制逻辑7个单元。
【简答题】As the author sat in cars, he felt irritated because( )
【多选题】典型KF系列基地式控制器,主要包括测量单元、变送单元、()。
【多选题】根据调制信号f(t)控制的是载波的角频率还是相位,可将角度调制分为 [填空(1)] 调制FM和 [填空(2)] 调制PM。
【单选题】In the last paragraph, the author seems to______.
A.
think SAT scores creditable in every aspect
B.
assert the authenticity of SAT scores
C.
show us the reasons why colleges use the SAT
D.
advocate the reliability of SAT scores