sight-line

基本解释

In practice of course there will be a dynamic lag in the antenna following the sight line.
当然，实际上在天线跟踪视线的过程中是会有动态滞后的。
If the sight line does not rotate in space then no steering commands are necessary as a missile is on a collision course.
如果视线在空间不转动，那么导弹总是在遭遇航线上，这就无需操纵指令。
Aim and Methods Three methods are analysed and compared for measuring the lateral deflection of gun bore axis from firing plane and the deviation of the sight line from the barrel axis, according to the results measured in practice.
目的和方法本文根据实际测量中遇到的问题 ;分析了 3种测量炮膛轴线偏离射面的偏离角及瞄准线偏移的方法 .
The included angle of the tester level sight line and observing sight line is zero.The straight rail and driven test car can make the tester see the pattern rotating along anticlockwise or clockwise.
驱动测试车，使测试者在测试板前面不间断地进行往返运动，测试者会看到，测试板上的图案在圆周上沿圆心做逆时针或顺时针转动。
The oil tanker soon got out of sight.
油船不久就看不见了。