使用线形馈源时，操作者产生一个标准信号叠加到信号的不同部分，但是结果从不会像使用抛物面碟面得到的那样强大、清晰。
When using a line feed, telescope operators produce a unified signal by adding up the different parts of the signal, but the results are never as strong and clear as they are with a parabolic dish.
螺线形电导管利用移动光栏来转换近光灯和远光灯，能满足汽车的标准精密度并且能够重复使用。
Spiral electrical conduit to convert the field using mobile light beam lights and high beam, to meeting the standards of precision automotive and can be reused.
提出了公路线形设计规范与安全标准相融合的理念，为我国公路设计安全性审核提供参考。
A concept of the mixing of the road alignment norm with the safety standard was suggested to provide a reference for the examination and verification of the road design safety.
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