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远探测声波测井
释义
远探测声波测井
Encyclopedia
理学
声波测井
释
remote detection acoustic logging
远探测声波测井
在充液井孔中放置声波发射换能器并发出脉冲声波,该脉冲声波进入井旁地层后被井外地层界面或裂缝洞穴反射回井内,利用多个声波接收器接收并处理这些反射声波信号进而得到井外径向几十米范围内的微地质结构的声波测井方法。
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prevention of cruelty to animals Law
prevention of fishery invasive species
prevention of malocclusion
prevention of mental disease
prevention of mental disorder
prevention of mother-to-child transmission of HBV
prevention of mother-to-child transmission of HIV/AIDS
prevention of mother-to-child transmission of syphilis
prevention of nuclear weapon proliferation
prevention of organizational conflict
prevention of secondary salinization in greenhouse
prevention of the recrudescence of disease
prevention of traumatic dental injury
prevention system of geological disaster in China
prevention system of rural meteorological disaster
preventive and control of military zoonoses
preventiveand precautionary principle
preventive conseration of documents
preventive diplomacy
preventive maintenance
preventive maintenance of aircraft materiel
preventive preservation
preventive test for electrical equipment
preventive treatment mode
preventive treatment of disease
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