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- Based on Collins formula and ABCD propagation matrix theory,the propagations of laser beams with different profiles through an aperture lens are analyzed and compared under the same laser beam power and initial beam width in this paper. 基于柯林斯公式和ABCD传输矩阵理论 ,在相同激光功率和初始束宽下 ,研究了不同空间分布光束通过聚焦光学系统的传输特性。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- He struck the beam with his head. 他的头撞到梁上了。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
- The initial `h' in `hour' is not aspirated. hour一字中起首的h不发送气音。
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- Sighted land off the starboard beam. 转向右舷方向便望见了陆地
- The gymnast poised herself on the balance beam. 体操运动员在平衡木上保持平衡。
- The start or initial stage; the outset. 开始，开端开始或初始阶段
- The load on that beam is more than it will bear. 那根梁上的载重超过了它所能承受的量。
- He greeted me with a beam of joy. 他笑容满面地迎接我。
- Your calculation is way off beam. 你的计算大错特错。
- After she'd overcome her initial shyness, she became very friendly. 她克服了开始时的羞涩之后，就变得非常友善。
- Ok may I have your last name and first initial, please? 好的。请您告诉我贵姓及大名的头一个字母。
- The unemployed worker was on his beam ends with rheumatism. 这个失业工人患了风湿病，经济十分困难。
- The new aircraft has performed very well in its initial trials. 这种新式飞机在最初几次试飞中表现性能良好。
