refraction

The past rectification operation aiming at myopia refraction patients has developed the rectification treatment aiming at hyperopia and astigmia patients.

过去仅针对近视屈光患者施行的矫正手术，前已发展出可针对远视与散光患者施行的矫正治疗。

On the basis of the refraction principle of soluble solid, the content of the soluble saltless solid in soy sauce was determined by refractometry.

基于可溶性固形物的折射原理,用折光计法测定酱油中可溶性无盐固形物的含量,取得了与重量法基本一致的结果。

Based on the double refraction principle of outgoing beam in the biprism,the displacement method for measuring the small angle of biprism is presented.The error of this method is also discussed.

利用棱镜引起出射光束方偏折的原理,提出了一种位移法测量玻璃棱镜微小底角的新方法,介绍了测量的基本原理,讨论了测量误差.

The parallactic refraction between the stars and the satellite is small and well determinate, except for the irregular stellar movements known as erratics.

除了通称为游动的不规律星体运动之外，恒星和卫星之间的视差折光差微小，而且是容易测定的。

Nowadays the wide angle reflection/refraction-the deep-crustal sounding is usually used as a seismic method in the world mainly for Studying rough structure of Moho &its overling beds.

前世界上用地震方法研究地壳结构,通常借助于广角反射或折射,即地震地壳测深方法,研究对象主要是莫霍面及其上覆层的粗略结构。