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【简答题】
轴类零件是机械加工中最常见的典型零件之一。它主要起支承传动件和______________的作用。
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【简答题】A Clock Buffer is a device in which the output waveform directly follows the input waveform. The input waveform propagates through the device and is redriven by the output buffers. Hence, such devices...
【简答题】Exercise: identify the rhetorical device in the following example. The name of the rhetorical device should be written in English. Ask for More. (More Cigarette)
【单选题】【2013年山东省属真题】为了解决名词与术语脱离事物、抽象概念脱离具体形象、理解脱离感知等矛盾.教师在教学时应该注意贯彻( )。
A.
直观性原则
B.
理论联系实际原则
C.
巩固性原则
D.
启发性原则
【判断题】PROTEUS可以实现数字电路、模拟电路及微控制器系统与外设的混合电路系统仿真、软件仿真、系统协同仿真和PCB设计等全部功能。
A.
正确
B.
错误
【判断题】The key device in the optical receiver is the semiconductor optical detector, which and the preamplifier in the receiver are called the front end of the optical receiver. The performance of the front ...
A.
正确
B.
错误
【单选题】对于单一反应组分的平行反应A→P(主)、A→S(副),其瞬间收率随增大而单调下降,则最适合的反应器为。A. 平推流反应器 B. 全混流反应器C. 多釜串联全混流反应器 D. 全混流串接平推流反应器
A.
A
B.
B
C.
C
D.
D
【简答题】Exercise: identify the rhetorical device in the following example. The name of the rhetorical device should be written in English. Not all furs are created equal. (Furs)
【多选题】贯彻直观性原则时应注意:
A.
科学选材、精心设计、灵活调整
B.
根据教学目标、内容及幼儿实际恰当选择和运用直观手段。
C.
直观手段要与训练幼儿感官结合。
【单选题】The device allowing for the change in volume of the cooling water in a propulsion diesel engine closed cooling system is the _____.
A.
fresh water expansion tank
B.
sea water expansion tank
C.
thermostatic expansion valve
D.
jacket water cooler accumulator
【判断题】NVR与DVR(硬盘录像机)的显著区别在于,NVR不直接与模拟视频信号连接,其存储和转发的是前端设备已经完成编码的视频流。必须配合网络摄像机或编码器才能构成完整的系统。
A.
正确
B.
错误
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