音标与读法

这里为大家介绍下luminosity 是什么意思，希望能帮助到各位朋友。

名词复数:luminosities

中英文翻译

n.

1.光明，光辉。

2.【物理学】发光度；(辐射能的)发光效率。

3.发光物，发光体；辉点。

4. 【原子能】(射束中的)加速粒子数密度。

the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"

同义词：brightness, brightness level, luminance, luminousness, light,

Luminosity is generally understood as a measurement of brightness. Each discipline, however, defines the term differently, depending on what is being measured.

例句与用法

1.Mount battie without losing its definition would take on a blue luminosity .

远处的巴蒂山沉浸在一派蓝茫茫的暮蔼之中，轮廓朦胧。

2.Mount battie without losing its definition would take on a blue luminosity .

远处的巴蒂丹山沉浸在一派蓝茫茫的幕霭之中，轮廓朦胧。

3.The cloud should then have an infrared luminosity thousands of times the sun"s bolometric luminosity .

云的红外光度应为太阳热光度的几千倍。

4.The quasars cannot shine for longer than a few million years with their present luminosity .

在几百万年以后，类星体将不可能具有他们今天那样的发光度。

5.Astronomers tacitly assume that stars of the same luminosity and color all have the same mass .

天文学家心照不宣地默认，光度和颜色都相同的恒星具有相同的质量。

6.Catherine could think of nothing of the kind, and morris"s luminosity seemed almost pitiless .

凯瑟琳当然一筹莫展，莫里斯已把问题说得清楚明白到了毫不留情的地步。

7.As soon as the contracting cloud becomes opaque to its own infrared radiation, its luminosity will drop abruptly .

一旦收缩云变得对它的红外辐射不透明时，它的光度便要急剧地降低。

8.Paradoxical as it may seem, the value of a star"s luminosity does not depend on the nuclear reactions taking place in the interior .

看来十分奇怪的是，恒星的光度竟然与发生在内部的核反应无关。

9.In this situation astronomers tacitly assume that stars of the same luminosity and color all have the same mass .

在目前的状况下，天文学家心照不宣地默认，光度和颜色都相同的恒星具有相同的质量。

10.Some celestial bodies similar to galactic nebulas but without any luminosity sometimes reveal their presence as dark patches obscuring the light of stars beyond them .

某些与银河星云相似但不发光的天体，有时看来象块黑色补丁，遮住了周围的星光。

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