查询词典 concave

The second lens group includes a 2nd-group 1st positive lens, a 2nd-group 1st compound lens formed by joining a 2nd-group 2nd positive lens having a convex surface on the image plane side and a 2nd-group 1st negative lens having a concave surface on the screen side, and a 2nd-group 3rd positive lens arranged in that order from the screen side toward the image plane side.

第二透镜组包括一个第2组第一正透镜，一个由在像平面侧具有凸面的第2组第二正透镜和一个在屏幕侧具有凹面的第2组第一负透镜结合的第2组第一组合透镜，和一个第2组第三正透镜，它们以从屏幕侧到像平面侧的顺序布置。

The said Martinez stretcher comprises concave spherical reflecting lens, plane reflecting lens and grating. The said compressor comprises plane reflecting lens, inner right angle reflecting lens and grating, which is characterized by the following: the grating fringe density of the stretcher is larger than that of the compressor.

所述的马丁内兹展宽器由凹球面反射镜、平面反射镜和光栅组成；所述的压缩器由平面反射镜、内直角形反射镜和光栅组成，其特征在于，展宽器的光栅条纹密度大于压缩器的光栅条纹密度；展宽器中的凹球面反射镜曲率半径位0.9～1.2米，光栅距凹球面反射镜的位置为凹球面反射镜曲率半径的1/3～1/2。

The eyes were periodically examined by retinoscopy, and A-scan ultrasonography. Two weeks later, the eyeballs were removed and the apoptotic cells were determined by electron microscopy, TUNEL technique and flow cytometry in scleras. Both bFGF and the bcl-2 protein were determined by the immunohistochemisty method and the Western-blot method. Results: All eyes treated with -10.00D or -20.00D concave lens produced defocus-induced myopia.

实验前后用睫状肌麻痹下验光、A超动态观察豚鼠眼屈光度和眼轴长度，并取后极部巩膜组织，用电镜、终末脱氧核糖核苷酸转移酶介导原位缺口末端标记法和流式细胞术检测巩膜的凋亡细胞，应用免疫组织化学染色和蛋白印迹（Western-blot）法检测bFGF和bcl-2蛋白。

His figure looks very funny in the concave mirror .

他的样子在凹镜里显得非常可笑。

A concave parabolic mirror with the diameter of 140 mm and the F number is 2 is tested by using this method.

利用该方法对一直径为140 mm，F数为2的凹形抛物面镜进行了测试实验。

We simulated the measurement of 420 mm concave mirror on computer.

通过计算机模拟方法，针对口径为420 mm的凹面镜进行了双探测器数据获取，梯度计算和面形重建。

His figure looks very funny in the concave mirror.

跟我来看看英语写作擂台期待你的加入喔

Temple of Hera before the concave mirror on the sun shining, it's a signal this will be a successful ignition ceremony.

赫拉神庙前的凹面镜上，阳光耀眼，预示着这将是一个圆满的点火仪式。

There is a small bulb placed at focus of a concave mirror.

可改成 凹面镜焦点处有一个小灯泡。

Large concave mirror produces image that is magnified by the eyepiece .

由目镜产生放大图像的大的凹透镜。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48