“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	expansion in a continued fraction expansion in an infinite product expansion in an orthogonal series expansion in a power series expansion in a series expansion in partial fractions expansion in series expansion in terms of eigenfunctions expansion joint expansion joint of bridge deck expansion joints expansion lag expansion limit device expansion limit device technology expansion method in term of eigenfunctions expansion module expansion of a determinant expansion of a fraction expansion of a function expansion of a function in series expansion of decreasing dimension expansion of education expansion of enrollment in colleges and universities expansion of fixed assets investment expansion of genetic code

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