four-lens zoom system 四透镜变焦系统
four-lens camera 四镜头摄影机
four-lens objective 四合物镜
four surface contact lens 四面接触镜
four-position lens turret 四位置透镜转头
four surfac contac lens 四面接触镜
single-lens four-channel multiband camera 单镜头四通道多光谱带照相机
Lens four 镜头四
Four kinds of laser source are used to measure the diffractive efficiency of Fresnel lens.
使用四种不同光源，对菲涅耳透镜的衍射效率进行测试。
There are four kinds of lens shapes, which do you like best?
我们有四种镜片形状，您最喜欢哪种？
On account of four distortions such as signal lag, radial distortion, eccentric distortion and thin lens, etc. a precision distortion correction model is established.
新模型考虑了信号滞后、径向、偏心和薄透镜等四种畸变，建立了精确的畸变矫正模型。
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