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- The evolution of beam size and pulse duration in a cavity of Ti: sapphire femtosecond laser is presented by means of simulated calculation. 通过数值计算模拟了掺钛蓝宝石飞秒激光器谐振腔中光斑和脉冲宽度在自锁模过程中的演变。
- When the input Gaussian beam size is very small, the effect of walkoff is very deleterious on doubling conversion. 当入射超高斯光束口径非常小时，离散效应的存在将大大降低倍频转换效率。
- Along with the enlarging of beam size, the effect of walkoff is much smaller and can even be neglected. 随着入射光束口径的增大，离散效应的影响相应地减小，甚至可以忽略。
- The influence of input beam size on the maximum intensity in the focus of singlet lens and achromat was compared. 比较了消色差透镜及单透镜中脉冲初始光腰尺寸对聚焦的影响.
- The characteristic of CCD Beam Size Detector is employing a Charge Coup-ling Device (CCD) as the transducer, and Synchrolight of beam as the signalsource. CCD型束流截面探测器的主要特点是使用电荷耦合器件做传感器,用束流同步光中的可见光成份做为信号源。
- Abstract The characteristic of CCD Beam Size Detector is employing a Charge Coup-ling Device (CCD) as the transducer, and Synchrolight of beam as the signalsource. 摘要 CCD型束流截面探测器的主要特点是使用电荷耦合器件做传感器,用束流同步光中的可见光成份做为信号源。
- Greater height needs increased column and beam sizes to make buildings more rigid so that under wind load they will not sway beyond an acceptable limit. 建筑物高度增加就要求增大柱和梁的尺寸，以加强建筑物的刚度，使其在风荷载下左右晃动保持在可接受的限度内。
- They differ in size but not in kind. 这些东西的区别只是大小不同而实质一样。
- Abstract: Numerically solving equations governing the variations of the beam size and the curvature of wave front in the logarithmically nonlinear media( LNM), the propagating characteristics of Gaussian beams have been described in detail. 文摘:根据对数型非线性介质中高斯光束的束宽和波阵面曲率变化所满足的耦合方程，采用数值计算对高斯光束的传输特性进行了详细的分析。
- This need to increase the height of the column and beam sizes, since such buildings can be more robust to the extent that the permissible limits under a wind load without bending and tilt. 这样的高度需要增大柱和梁的尺寸，这样以来可以使建筑物更加坚固以至于在允许的限度范围内承受风荷载而不产生弯曲和倾斜。
- 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。
- And the mid- size car have a lot more legroom. 而且中型车的腿部伸展空间较为宽敞。
- His answer was right on the beam. 他的答案完全正确。
- He cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- What is the exact size of the room? 这个房间的确切面积是多少？
- He ranged the books according to size. 他照大小顺序排列这些书。
- He struck the beam with his head. 他的头撞到梁上了。
- 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。
