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英语例句库

1.A physiotherapeutic apparatus for preventing and treating near sighted eye has a convex lens used as objective lens, lens cone, eyepiece, headgear and lens set.

1.一种防治近视眼理疗器，它有作为物、筒、目，还有头套组，它用于人们在近距离上长时间用眼时戴在眼上，可以使被视物像清楚、放大变远。

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原声例句
Crash Course Physics 速成课物理

1.Say we have a lens that has a spherical face on both sides, known as a convex lens.

假设我们有个具有球面的镜头 两侧，称镜。

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世界新知焦：科技

2.This is made possible through something called a lenticular lens – a corrugated sheet in which each ridge is made up of a convex – or outward-curving – lens.

这是种叫做柱状镜的东西实现的，柱状镜是种波纹状的薄板，其每个起处都由镜（即向外弯曲的镜）组成。

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