... direct visual observation直接目测 direct plummet observation 正锤线观测 ; 正锤线法 ; 正锤观测 direct dynamic observation 直接动态观测 ; 动态观测 ...
双语例句
1
The bayonet-type connecting mechanism with the advantages of no need of directvisualobservation, remote operation, locking function and high reliability is used as an inner part of a reaction pile.
该装置提供了一种无需直接目视，远程操作，带锁紧装置的，高可 靠性的反应堆内部构件的刺刀式连接结构。
2
The recorder is suitable for mobile observation because of its visual records presenting direct results and its easily done maintenance and operation.