One part of the Serpentine is kept for swimmers.蜿蜒河的一段划为游泳区.Apart from a few swimmers, the rest of us stretched out on the bank to sunbathe.除了几个人在游泳外，我们其他人伸开四肢躺在岸边晒日光浴。Pop groups are like Olympic swimmers — they hit gold...
Other proportional feedback signals are generated from rate gyros.其他的比例反馈讯号是由速率陀螺产生的.Rate gyros , like position gyros, can be blast started or electrically driven.和定陀螺一样, 速度陀螺也可以采用瞬发式启动或电驱动.For this reason, most floated ...