• 基本释义

1.concave mirror
凹面镜收藏指正
2.a concave mirror
凹镜收藏指正
3.His figure looks very funny in the concave mirror
他的样子在凹镜里显得非常可笑。收藏指正
4.large concave mirror produces image that is magnified by the eyepiece.
由目镜产生放大图像的大的凹透镜。收藏指正
5.aberration of the concave mirror is reduced by a meniscus lens.
用半月板镜头减少凹透镜的过失。收藏指正
6.I examined three key technical properties of this proposed concave-mirror projector.
我检验了凹面镜投射的三项关键技术特性。收藏指正
7.A concave mirror reflects parallel light rays so that they meet at the so-called focal point. (If you try to use such a mirror to start a fire in sunlight, you place the tinder at the focal point.) The distance from the mirror to the focal point is its focal length.
凹面镜反射平行光，让光线汇聚到所谓的焦点（如果你想用这种镜子在日光下起火，就要把易燃物放在焦点上），从镜面到焦点的距离就是焦距。收藏指正
8.Renaissance craftsmen, moreover, would have faced severe technical challenges in silvering and sealing a concave mirror, which required the application of hot tar and pitch on the outside of the glass.
文艺复兴时代的工匠在涂银与装置凹面镜时，还要面对更多艰难的技术挑战，那需要在玻璃表面施予滚烫的焦油与沥青。收藏指正
9.I copied a reproduction of the silverpoint using a homemade epidiascope based on a small circular concave mirror and direct solar illumination, and when I deliberately “bumped” my own epidiascope, I found such a mismatch to be very conspicuous.
我用小型的圆凹透镜与阳光组成的自制幻灯机，从银尖笔画复制了一张画，而当我「蓄意碰撞」自己的设备后，我发现位移结果是非常醒目的。收藏指正
10.Hockney surmises, however, that this convex mirror could be turned around and used as a concave projection mirror: “If you were to reverse the silvering, and then turn it round, this would be all the optical equipment you would need for the meticulous and natural-looking detail in the picture.
但霍克尼的猜测是，把这个凸面镜前后反转过来，便能当成可投射的凹面镜来用：「如果你把银涂在凸面镜的反面，并将它反转过来，就变成能做出精细自然画面的道具了。」收藏指正
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