【判断题】对象特性放大系数Km是动特性,时间常数Tm和滞后时间τ m 是测量元件和变送器的静态特性。
【多选题】描述对象特性的参数中,属于动态特征参数的是:
【单选题】下列各项负债项目中,属于长期负债的是( )
【判断题】对象特性放大系数Κm是动特性,时间常数Tm和滞后时间τm是测量元件和变送器的静态特性。
【单选题】It is conventionally thought that ______.
A.
only rich countries can afford to care about environmental problems
B.
developing countries should also be thinking about the environment
C.
environmental problems exist only in the rich world
D.
rich countries have not paid enough attention to the health of the planet
【单选题】Conventionally a(n)______ is put in slashes(/ /).
【单选题】下列各项负债项目中,属于长期负债的是( )。
【多选题】关于沉泥槽设置,下列做法哪几项正确?(2014-1A-51)
A.
在交通繁忙行人稠密的地区,雨水口可设置沉泥槽
C.
泵站前一个检查井内宜设置沉泥槽,深度0.3m~0.5m
【单选题】Conventionally a __________ is put in slashes (/ /).