The X-ray source used in this experiment is particularly prepared.
用于泡沫材料密度测量的X射线源是特制的激发源。
Radio galaxy is also a strong red external source and X-ray source.
射电星系同时也是强的红外源和X射线源。
The change of the characters of gas in the source of molecular ray is studed.
探讨分子射线源中气体性质的变化。
The change of the characters of gas in the source of molecular ray is studed.
探讨分子射线源中气体性质的变化。
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