您要查找的是不是：
- beating of optical frequencies 光学频率的拍频
- The dancers gyrated to the beat of the music. 跳舞者随着音乐的节拍旋转。
- A system of optical components that magnifies. 能起放大作用的一组光学元件
- Two additional features of the pulses emitted by mode-locked lasers are keys to the development of optical frequency combs. 锁模雷射所放出的脉冲另有两个特徵，成为发展光频梳的关键。
- I never saw the beat of him of elegance. 我从未见过有比他举止更优雅的人。
- The beating of his heart grew fainter. 他的心脏跳动越来越无力了。
- The beats of the drum were steady and slow. 鼓声平稳而缓慢。
- He could hear the beating of his own heart. 他听得到自己的心跳。
- I could feel the beating of the blades in my chest. 我能够感觉到胸腔里肺叶的跳动。
- I never saw the beat of him for bravery. 我从未见过像他那样勇敢的人。
- He is well versed in the science of optics. 他精通光学。
- To hear the beating of an ancient tune. 敲击,聆听着远古的曲调。
- The beating of Rodney King was caught on camera. 罗德尼.;金被殴打的情形被摄像机拍下来了。
- I have never seen the beat of it. 我从未见过比这更厉害的。
- The Fundamental Limits of Optical Lithography. 光刻的限制。
- The beating of gongs and drums resounded to the skies. 锣鼓声响彻云霄。
- A lens made of optical crown glass. 用冕光学玻璃制成的透镜。
- Methods of optical test for welding goggles. 焊接护目镜光学性能试验方法.
- We keep time to the beat of an old slave drum. 我们紧跟奴隶鼓声的步伐。
- The VLT is an array of optical telescopes. 甚大望远镜是一组光学望远镜阵列。
