Motion across the line of sight can be followed by direct observation.

与视线垂直的运动可以通过直接观测得到.

辞典例句

The line of sight must be approximately perpendicular to the horizontal axis.

视线必须近似地垂直于水平轴.

辞典例句

To adjust the line of sight of ( an optical device ).

调整 ( 光学仪器的 ) 瞄准线.

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TANGO 4 ! Enemy in the line of sight! Get ready to attack!

敌人出现在视野之内! 准备好攻击!

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Similarly, as the traverse screw is turned, the line of sight is rotated in azimuth.

类似的, 转动水平调节钮, 会转动瞄准线的方位角.

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The TV goniometer measures the angle deviation between the missile and the line of sight.

电视测角器量出在导弹和瞄准线之间的角偏离.

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