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- In Chapter 2, description on the FMCW radar principle and the schematics of level radar are presented. 论文之第二章叙述频率调变连续波雷达的基本原理，与液面雷达的电路规划。
- Radar compared with radar principle This echo-location in bats is often compared with radar, the principle of which is similar. 蝙蝠的这种回声定位常常可与雷达相比较,其原理是相似的。
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
- The principle of radar is quite simple. 雷达的原理相当简单。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- The same principle may make for smoother writing. 这同一原则也可使文章写得更通顺。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- Enemy ships were detected on the radar screen. 敌舰的影像已显现在雷达(屏幕)上。
- The unbelief of God is our principle. 不信仰上帝是我们的原则。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- A gunboat was detected by the radar. 雷达探测出一炮艇。
- Enemy aircraft were detected by our radar. 敌机被我方雷达发现。
- Your behavior does not accord with your principle. 你的行为与你的原则不符。
- The ship was provided with radar equipment. 那船装有雷达设备。
- There are enemy aircraft on the radar screen. 雷达萤屏上出现了敌人的飞机。
- It will be against my principle to lie to you. 对你说假话是违背我的行为准则的。
- Our radar pinpointed the attacking planes. 我们的雷达确定了来袭敌机的精确方位。
- He acted from expediency, not from principle. 他为求达到目的，丧失了原则。
- I refuse to go there, on principle. 我原则上拒绝到那儿去。
