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- High precision large flat mirror measurement by angle difference testing 高精度大口径平面镜面形角差法测试探究
- flat mirror measurement 平面镜测量
- Mirror 4 is just a flat mirror like Newtonian telescope's secondary mirror, to give convenience for eyes. 镜4只是一块平面镜,就象牛顿式望远镜的副镜一样,方便观测。
- With two autocollimations and a big flat mirror, the precision of the parallelization tester can be better evaluated. 利用两个精度为0.;1"的自准直平行光管和一块平面反射镜检测平行度测试仪精度。
- At present, goggles myopic lens into the surface of the mirror and asperity absolutely flat mirror the two major types. 目前近视泳镜的镜片分为表面微凸镜面和绝对平面镜面两大类型。
- This is a small, flat mirror that serves to move the image formed by the primary to the side of the tube, where it is viewed with an eyepiece. 如果你打算使用激光校准仪,(另外一个办法是使用一个活页夹的夹子。)
- By analyzing the detecting features of seed metering device, a calibra tion method of camera system that is only composed of a single camera and a flat mirror is proposed. 通过对排种器性能检测的特点分析,提出了由单摄像机和平面镜组成的摄像系统标定方法。
- The relation between form errors of the flat mirror under test and wave-front aberrations, i.e., influence function, can be obtained through sampling the pupil plane. 摘要通过在光瞳面上取点的方法,找出被检平面镜面形误差与检验系统波像差之间的相互关系,即影响函数。
- This paper discusses the accuracy problem of testing a large aperture flat mirror by using stitching interferometry, and analyses the stitching accuracy in theory and experiment. 讨论了在用子孔径拼接法检测大口径光学镜面时的精度问题,并分别从理论上和实验中对拼接检验的精度做了定量分析。
- Absolutely flat mirror than an ordinary mirror goggles slightly some of the Lowland, which has the advantage of goggles in the water that did not arise as a result of differences in refractive effect. 绝对平面镜面则比一般的泳镜镜面稍显低平一些,这种泳镜的优点是在水中没有那种因折射而产生的差异效果。
- Particular to the Fresnel system are flat mirrors which are controlled as strings and track the sun. 菲涅耳系统的独特之处在于其平面反光镜可以成排控制,且能追踪太阳。
- The technology uses fields of computer-guided flat mirrors called heliostats to track the sun and focus its rays on a boiler at the top of a 60-meter tower. 这个科技使用,电脑导航的平面镜场地,称为日光反射器,来追踪太阳,让太阳光投射在60公尺高塔上的锅炉。
- It is unlucky to break a mirror. 打破镜子被认为是不吉利的。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- The mirror fogged up with the steam. 镜子因蒙上水气而模糊不清。
- He stumbled over a stump and fell flat on his face. 他给树桩一绊,摔了个嘴啃泥。
- The big mirror has splintered off. 这面大镜子破碎了。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- His shaving mirror was covered with condensation. 他的剃须镜上有一层小水珠。