convex lens
音标与读法
这里为大家介绍下convex lens 是什么意思,希望能帮助到各位朋友。
中英文翻译
凸透镜。
convex:adj. 中凸的,凸圆的,凸面的。 n. 凸状,凸面,凸 ...lens:n. (pl. lenses) 1.透镜;一组透镜。 2 ...lens such that a beam of light passing through it is brought to a point or focus
同义词:converging lens,
例句与用法
1.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。
2.This setup , known as a conoscope , is shown in figure 14 . 2 and consists of two stress - free plano - convex lenses a and b
此装置称为锥光镜,如图14 2所示,它由a和b两个无应力平凸透镜组成。
3.However , spectacles are made of thick convex lens . skills and precautions are needed to wear contact lens properly . both are not suitable for the elderly
不过,这些眼镜片有相当的厚度,配戴隐形眼镜亦需要一些特别技巧,对于年纪较大的患者未必适合。
4.This setup , known as a conoscope , is shown in figure 14 . 2 and consists of two stress - free plane - convex lenses a and b and a diaphragm c having a small aperture
此装置称为锥光镜,如图14 2所示,它由a和b两个无应力平凸透镜和一个带小孔的光阑c组成。
5.However , spectacles are made of thick convex lens . skills and precautions are needed to wear contact lens properly . both are not suitable for the elderly
不过,这些眼镜片有相当的厚度,配戴隐形眼镜亦需要一些特别技巧,对于年纪较大的患者未必适合。
6.Since lenticular clouds look like one or more convex lens , they could sometimes be misinterpreted as flying saucers or unidentified flying objects , and so they are commonly known as " flying saucer clouds "
由于这类荚状云形状像一块或多块凸透镜,有时候被误会为飞碟或不明飞行物体,所以亦俗称飞碟云。
7.Analysis showed this might be due to the fact that a black hole passed in front of the star . the gravitation of a black hole can function as a convex lens and focus starlight , resulting in transience increase of apparent brightness of the star
分析显示,这很可能是因为有一个黑洞在恒星前面经过,黑洞的引力会聚了星光,就像凸透镜把光线聚焦一样,使恒星的视亮度增加。
8.The gravitation field of star b bends the light from star a as a convex lens does and we can observe a sudden brightening of star a . much brighter than the total brightness of star a and b . this phenomenon is called microlensing
根据国际天文学联会international astronomical union于2006年8月24日通过的行星定义,冥王星的行星资格被取消,并被界定为一类称为矮行星的新天体。
单词网DaNCI.583316.cOm