如果需要将一路视频信号复制成多路信号输出,应选择哪种设备()
A、视频光端机
B、画面分割器
C、视频分配器
D、视频矩阵
参考答案:C
In a married falls rig at the after end of a hatch , a boom is rigged in a fore and aft line through its heel . Stresses on the outboard guy will be least if the guy is made fast at a point().
A.abreast the heel
B.at right angles to the boom when viewed from above
C.aft of the heel
D.forward of the spiderband
藤制的摇椅