气体分子彼此相距无限远。
The gas molecules are infinitely far apart from one another .
气体分子之间的间距大，彼此间有空隙。
In gases, the particles are far apart, with empty space between.
更常见到的水合物是气体分子被圈闭在一个晶体构造内的化合物。
More generally, hydrates are compounds in which gas molecules are trapped within a crystal structure.
即单个分子的气体常数，而不是每摩尔的。
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.
离子-分子反应可用于痕量气体分析研究。
Ion-molecule reaction can be used for the analysis of trace gases.
离子-分子反应可用于痕量气体分析研究。
Ion-molecule reaction can be used for the analysis of trace gases.
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