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double lens magnifier 双透镜放大镜
double convex lens [光] 双凸透镜
double-lens 双透镜
cemented double lens 双胶合镜头
Double Gauss lens 双高斯镜组 ; 双高斯镜头 ; 双高斯透镜
double image lens 双向透镜 ; 双像透镜
Gauss double type object-lens 双高斯型物镜
double telecentric lens 双重远心透镜
double-layer lens 双层透镜
Even the simple trilobite has an eye (complete with its double lens system) that's considered an optical miracle by today's standards.
按照今天的标准，即使是简单的三叶虫，它的眼睛(完美的双镜头系统)也是一个光学奇迹。
The HS350 has a 12x optical zoom lens and, like newer camcorders, records 5.1-channel surround sound; it can double as a still camera for 10.6-megapixel shots.
HS350配备了12倍光学变焦镜头，并支持5.1环绕声录音技术。还可以作为一千六百万像素相机使用。
Just as a double convex lens enlarges so a double concave lens reduces.
正象双凸透镜可以放大那样，双凹透镜也可以缩小。
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