查询词典 concave mirror

The best match between the rear shapes and support patterns is suggested. The rear 3-point support pattern of concave primary mirror is computed for its deformation under various working condition and the best support position is found out.

找到了主镜的背部形状与其支撑方式间的最佳配合关系；对双凹形主镜的背部三点支撑方式进行分析计算，找到了它的最优支撑位置。

When the cavity length is 140 cm and the radius of curvature of the full-reflective concave mirror is 300 cm, the Nd:YAG laser is operated in the stable mode-locking and a pulse train with 27 mJ energy and 35 ps pulse duration is obtained.

当腔长为140 cm，全反射凹面镜曲率半径为300 cm时，激光器运转在稳定的被动锁模状态，输出的锁模脉冲序列能量为27 mJ、脉宽为35 ps。

Nafupuli are looking after the former Fire in the concave mirror, after nearly one minute of waiting, she finally lit a torch smoothly, and lit a torch tank has been prepared.

之后娜芙普利都俯身在凹面镜前取火，在经过了将近一分钟的等待之后，她终于顺利点燃了圣火，并点燃了早已准备好的圣火罐。

The LD side-pumping structure was designed to meet the requirement of miniaturization and spot uniformity of the laser system for weapon systems. The compact laser resonator was designed. In this design, the thermal effect is compensated by the total reflection concave mirror.

为满足一些武器装备对激光系统小型化及输出激光光斑均匀性较高的要求，通过设计LD侧面对称半环状泵浦的泵浦方式，使得输出的激光光斑形状基本为圆形，激光光斑的均匀性有了较大提高。

Renaissance craftsmen, moreover, would have faced severe technical challenges in silvering and sealing a concave mirror, which required the application of hot tar and pitch on the outside of the glass.

文艺复兴时代的工匠在涂银与装置凹面镜时，还要面对更多艰难的技术挑战，那需要在玻璃表面施予滚烫的焦油与沥青。

Convex and concave surface is configured on the LCD panel as the treatment to reduce the reflection of mirror.

在液晶面板表面设置凹凸，以降低镜面反射之处理。

His argument, known as the Hockney-Falco thesis, is that great artists of the past, such as Ingres, Van Eyck, and Caravaggio did not work freehand, but were guided by optical devices, specifically an arrangement using a concave mirror to project real images.

在那部著述中，他暗示过去最伟大的艺术家们，譬如安格尔、范·爱克，和卡拉瓦乔不是空手工作的，而是采用了光学设备的导引，特别是采用一面凹镜的一种安排，用以投影实像。

Under the same conditions, the mode distortions induced by the tilted mirror are smaller for the plano-concave resonator with the Gaussian-reflectivity, and the relations of the field distributions with Gaussian-reflectivity to the tilt angles are different from those with even-reflectivity.

同等条件下，高斯反射率平凹腔腔镜倾斜对谐振腔引起的模畸变小于均匀反射率平凹腔，且基模光场及本征值随镜倾斜的变化关系稍不同于均匀反射率平凹腔。

We notice that in the stretcher,when the light incidence on the concave mirror,it will bring the spheral aberration and the spheral aberration will arouse the negative dispersion.

我们注意到在展宽器中，光入射到凹面镜会带来球差，这个球差会带来负二阶色散。

In Olympia (the host city of the ancient Olympic Games), the Flame which was also lit from the sun's rays with the help of a concave mirror, is burning silently in the city public auditorium and kindled the rest of Sacred Flame in other Sacred Sites.

在古代奥林匹克运动会举办地–奥林匹亚，圣火一直在赫斯提女神祭坛前的城市公共会堂中静静地燃烧。这里的圣火同样是通过使用凹面镜汇聚阳光采集而成，它还被作为火种去点燃其他神圣场所的圣火。

A: Yes, this letter needs to go by registered mail.

是的，这封信要寄挂号。

The design resembles that of the globe valve.

这种阀的设计和球阀的设计类似。