“earthgas survey”的概念、定义、翻译、参考文献-科学参考

单词	earthgas survey
释义	earthgas survey Encyclopedia 理学地球化学勘查释 geogas survey; earthgas survey地气测量采集土壤或大气中的气体，用捕集材料捕集气体中的金属元素，测量气体中的金属元素含量，用于寻找深部隐伏矿的地球化学方法。又称地球气测量、地球气纳微金属测量。
随便看	principal measure principal minimum principal minor principal minor array principal minor determinant principal module principal moment principal moment of inertia principal net of a mapping principal net of the flow principal neutral point principal nilpotent orbit principal norm principal normal principal normal complex principal normal form principal normal line principal normal plane principal normal section principal normal surface principal normal vector principal number principal nutation principal object principal offender

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