在线词典

分类:语言工具
在线词典,是一款在线使用的中英文查词词典。本工具支持查询英文和中文单词及词组的含义,查询效率高、结果丰富,包括单词变体、常用短语、英英释义、同义词、同根词、词语辨析等,是外语学习者必备的在线查词工具。

stellar birthline

查词链接:https://www.dute.org/dict/Stellar_birthline复制链接
恒星诞生线(恒星诞生线是预测原恒星最初质量和半径的线。原恒星在此之前被深埋在云气内,只能辐射红外线。当包层稀薄时,恒星成为前主序带天体,才能在赫罗图上占有一席之地)
查看英英释义
abstract:
The stellar birthline is a predicted line on the Hertzsprung–Russell diagram that relates the colour and luminosity of protostars at the end of the initial phase of accretion onto them. Prior to this point, the protostar is deeply embedded in the cloud of dust and gas from which it formed, and so radiates only in the far infrared.

网络释义
恒星诞生线
... stellar athlete 主要运动员 stellar birthline 恒星诞生线 stellar birthrate 恒星产生率 ...
* 以上查询结果来自于网络,仅供参考。
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