1.
folding camera (with bellows)
光折合式照相机（带折箱）
2.
Experiment of a One-Dimensional Photonic Crystal of Photorefractive Including Positive-Negative Refractive Index
一维光折变光子晶体正负折射率的实验实现
3.
Study on the Propagation and Control of the Beam in the Photorefractive Crystals;
光折变晶体中光束的传输与控制研究
4.
A Study of Partially Coherent Solitons in Photorefractive Media
光折变介质中部分相干光孤子的研究
5.
NUMERICAL SIMULATIONS OF SOLITARY WAVES IN PHOTOVOLTAIC-PHOTOREFRACTIVE CRYSTAL
光伏光折变晶体中孤立波的数值模拟
6.
elbow refractor
折轴反光望远镜;折轴折射望远镜;曲折折光计
7.
GI(Grated Index)
渐变折射线(光纤)
8.
The study of the refraction of light.
屈光学研究光的折射
9.
stress-induced birefringent optical fiber
应力导致双折射光纤
10.
birefringence fiber with stress rod
应力棒型双折射光纤
11.
fast refractive infrared optical system
快速折射红外光学系统
12.
tunable birefringent filter
可调谐双折射滤光器
13.
The x ray show a fractured ankle.
X 光片显示足踝骨折。
14.
graded index fibre
折射率渐变的光导纤维
15.
graded-index optical fiber
渐变折射率光学纤维
16.
step graded index lightguide
阶梯折射率剖面光波导
17.
The X - ray shows a fractured ankle .
x光片显示足踝骨折。
18.
X-rays showed the skull to be unfractured.
x光显示颅骨没有骨折。