正围绕着这颗红色的行星运转的火星球面勘测仪所拍摄的照片，包含有火星上有水的证据。
The evidence is contained in pictures taken by the Mars Global Surveyor spacecraft, which is in orbit around the Red Planet.
本文根据自参考剪切干涉技术，采用球面补偿自准直原理，提出了一种新型激光干涉球径仪。
A new spherometer based on self-reference laser shearing interferometric technique is described The principles and error analysis of the spherometer are given in detall.
与采用相同口径、相同相对孔径的全息凹球面光栅构成的平场光谱仪比较，在入射狭缝宽度相同的情况下，该光栅所构成的平场光谱仪的分辨率得到明显提高。
Comparing this spectrograph to the one with a holographic concave grating on spherical surface, the former has a higher resolution than the latter has when the widths of the incident slits are same.
基于全息凹面光栅理论和ZEMAX软件，设计了一种用于平场光谱仪的消象差平场非球面全息凹面光栅。
Based on the holographic concave grating theory and ZEMAX software, an aberration-corrected flat-field holographic concave grating on aspherical surface for a flat-field spectrograph is designed.
球面栅静电减速谱仪具有后聚焦系统。
This method includes an electrostatic spherical grid retarding spectrometer with a post focusing system.
同时轮廓仪也可直接用于中低精度非球面光学元件的最终检测。
Meanwhile it is suitable for final testing of optical element with reasonable accuracy.
于此同理，用马赫—曾德尔干涉仪可以测量一个加工出来的光滑球面与另一个标准光滑球面之间的微小差异。
Also using Mach-Zehnder interferometer the small difference between one produced smooth sphere and another standard smooth spherical can measure.
在简要总结各种检测光学球面曲率半径方法优缺点的基础上，提出了利用激光跟踪仪和激光干涉仪测量光学球面曲率半径的新方法。
On the basis of summing up conventional testing methods for the radius of curvature of optical sphere, a novel method using laser tracker and interferometer is proposed.
在传统刀口仪的基础上，提出一种数字化刀口仪，利用该刀口仪可实现球面光学元件表面面形的定量检验。
A digital knife-edge test system is proposed based on the traditional Foucault tester. Quantitative evaluation for the wavefront of spherical optical elements was achieved by using this test system.
从粉尘测试仪的实际使用要求说明设计的非球面反射镜满足实际需求。
The parameters and image evaluation of the aspheric mirror are given. The aspheric mirror meets the requirements of dust testing instrument in practice.
从粉尘测试仪的实际使用要求说明设计的非球面反射镜满足实际需求。
The parameters and image evaluation of the aspheric mirror are given. The aspheric mirror meets the requirements of dust testing instrument in practice.
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