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Convex Lens

美英

na.凸透镜
网络凸镜头；凸球镜片；凸面镜

Convex Lens

Convex Lens

英-汉网络释义

Convex Lens

na.

1.凸透镜

1

A convex lens can be used to concentrate the sun 's ray and thus burn a hole in a piece of paper .

凸透镜可以用来聚集太阳光，将一张纸片烧穿一个洞。

2

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。

5

She polished the convex lens of her telescope.

她擦拭着望远镜的凸透镜

6

The parallel light rays of the prnicipal axis that approach a convex lens can converge to the focal point .

只有在近轴光线条件下，平行光通过凸透镜才可近似聚焦于一点。

7

A convex lens is thicker at its center than its periphery . It causes rays to converge .

凸透镜中心部分比周围要厚，它使光线会聚。

8

A convex lens causes rays to converge on a single point , the focal point .

会聚透镜使光线会聚于一点，即焦点。

9

Two kinds of convex lens which make parallel light rays converge to the focal point are given .

本文给出两种能使平行光严格聚焦于一点的凸透镜。

10

Style apically 5-fissured . Capsule (immature ) obconical, 4-5 mm , glabrous, apex slightly projected and resembling a convex lens.

蒴果（未发育完全）倒锥状，4-5 毫米，无毛，先端稍凸出和象的一只凸透镜。

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