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视准轴线
1、axis of symmetry───[数]对称轴；对称轴线
2、axis───n.轴线; 坐标轴; 轴心；n.轴；轴线；轴心国
3、a sight of───非常多的；非常，很多
4、sight of───看见
5、line of sight───[光][生理]视线；瞄准线；视线，瞄准线
6、out of sight───abbr.看不见，在视野之外；看不见；在视野之外；在看不见的地方
7、sight───vt.看见；瞄准；n.视力；景象；眼界；见解；adj.见票即付的；即席的；vi.瞄准；观看
8、lost sight of───看不见；丢掉；看不见; 丢掉
9、in sight of───在看得见...的位置；在…看得见的地方
1、reasons of five error sources including vertical axis, horizontal axis, sight line coder, TV undershooting value which can result in TV tracking system errors are analyzed.───分析了电视跟踪XiTong的垂直轴、水平轴、视轴、编码器、电视脱靶量五个误差源产生误差的原因，探讨了误差的取舍方法及相应的计算公式。
2、The overall integration came to being depending on the contact of growth poles based on historical and cultural resources, such as transport links, sight and the axis among functional areas.───在功能区之间，以历史文化资源为增长极构建资源之间交通联系、视线联系与轴线联系，促进场所的形成；
3、necessary to design a two axis gyro stabilized control platform to ensure the space stability and the automatical target tracking capability of the sight line despite of its carriage movement.───保证载体运动时瞄准线的空间稳定性和自动跟踪目标，必须设计双轴陀螺稳定平台。