简述干扰余量?
参考答案:用于小区呼吸的链路预算的余量值被称作干扰余量。
We’re talking about the piano and the pianist _____ were in the concert we attended yesterday.
A.which
B.whom
C.who
D.that
中央集权制度造成地方官吏对中央和君主的绝对依赖,助长了官场的因循守旧之风。