在振动检测过程中，（）必须和被测物紧密接触。
参考答案：传感器
To our great relief, ______ time going on, more and more of the victims of the earthquake were rescued.
A．as
B．when
C．with
D．while
收入成果类账户与所有者权益类账户性质相似，结构基本相同，即借方登记减少额，贷方登记增加额。( )
