二相相对移相信号的频谱与二相绝对移相信号的频谱是完全相同的。
参考答案:对
They will pay a visit to Europe in a couple of years _____ they have enough money.
A.for fear that
B.on condition that
C.even though
D.as well as
证券公司被禁止通过广播、电视等媒体来推广其的集合资产管理计划。 ( )