【多选题】According to whether communication requires a third-party intermediary, communication can be divided into the following two types of( ).
C.
Indirect communication
D.
Network communication.
【多选题】Verbal communication can be defined as ________.
A.
communication done both orally and in written language
B.
communication done in body language
C.
as communicating your thoughts through words
D.
the use of sounds and language to relay a message
【判断题】对一角度进行16次观测,观测值的平均值为46o36 ́26′′,每次观测值中误差为±36′′,则平均值中误差是±9′′。
【多选题】锅炉省煤器的作用是?()
D.
提高给水温度,减小因温差而引起的汽包热应力,改善了汽包工作条件,延长了汽包的使用寿命。
【判断题】Noise is inevitable in human communication but we can eliminate it completely. ()