grin lenses是什么意思_grin lenses中文

grin lenses中文什么意思

grin: n. (因苦痛或愤怒)龇牙咧嘴;露着牙齿笑。 sardonic grin冷笑。 on the (broad) grin 笑嘻嘻，露齿而笑。 vi. 露出牙齿 (with); 露着牙齿笑 (at)。 grin and bear it 苦笑着忍受，逆来顺受。 grin like a cheshire cat 咧着嘴傻笑。
lenses: 镜头
a lopsided grin: 歪着嘴龇牙一笑
big grin: 较大的微笑
cheesy grin: 咧嘴笑

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design and application of grin lens in intraoral camera system
梯度折射率透镜在口腔内窥镜中的设计与应用
chapter 2 . an analysis is made on general optical character of spherical grin material and make an example of maxwell fisheye lens model to elaborate the efficiency of imaging and coupling of the grin lens
第二章介绍了一般球梯度折射率光学器件的光线理论，并以maxwell鱼眼微球透镜模型为例研究球梯度微透镜在成像及光耦合方面的性能，显示此类透镜的应用前景。
some polymeric grin lenses have been prepared by this way in cllapter 4, the radial distribution of refractive index of the prepared lenses is measured by the shearing interference method, which provides experimental support for the manufacture of micro-lenses
第四章主要对本课题组已制成的聚合物grin球透镜的折射率分布进行了测量，对测量结果进行了分析，并对制备过程中工艺条件的改善提出了一些可行性建议。

grin lenses中文什么意思