“acoustic logging”的概念、定义、翻译、参考文献-科学参考

单词	acoustic logging
释义	acoustic logging [ǝ`küs·tik `läg·iŋ] ^{PETROLEUM ENGINEERING} A porosity measurement technique for drill holes; depth is compared to the travel time of a sonic impulse through a given portion of the formation-a rate dependent upon rock composition and fluids in the formation.
随便看	cyclic identity cyclic ion cyclic magnetization cyclic mining cyclic permeability cyclic permutation cyclic redundancy check cyclic salt cyclic sedimentation cyclic shift cyclic storage cyclic testing cyclic train cyclic transfer cyclic twinning cyclic voltammetry cyclindroid cycling cyclitis cyclitol cyclization chromosome walking chromosphere chromospheric network chromotropic acid

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