20:用来对光学瞄准具进行枪膛归零（bore sight）的工具将它装在枪口，从上方的显示管可以看到枪管轴心线指向某个距离处的投影，然后根据这个影像，调整光学瞄准具的左右高低，必...
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bore-sight 视轴 ; 瞄准线
electrical bore sight 电轴瞄准轴
bore-sight error 瞄准误差
reflex bore sight 反光小孔瞄准
muzzle bore sight 炮口十字线
elevation bore sight potentiometer 高低零线调整电位计
以上来源于: WordNet
Being opposite to Qianjiang Tidal-bore Sighting City, we sincerely welcome friends in all circles to visit our company and enjoy the sight of Qianjiang Bore-the wonder of the world.
公司面对钱江观潮城，欢迎各界朋友莅临公司考察指导并观赏天下奇观——钱江潮。
Lausus, his son, could not bear the sight, but rushed forward and interposed himself, while the followers pressed round Mezentius and bore him away.
他的儿子劳苏斯见状惨不忍睹，便挺身而出冲上前去，他的部下也一拥而上团团围住墨曾提乌斯，当即把他抬走。
The sight telescope was mounted in such a way that the line of sight could be offset from the axis of the bore of the gun to correct for range, drift, and relative motion of gun and target.
这种瞄准镜底座是可以转动的，使得瞄准线能够偏离炮膛轴线以修正射程，偏流及火炮与目标之间的相对运动。
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