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acoustic velocity logging device
释义
acoustic velocity logging device
Encyclopedia
工学
电阻率测井仪
释
acoustic velocity logging device
声速测井仪
测量井下岩层的声波纵波速度的倒数,即声波纵波在单位厚度地层传播所需时间的声波测井仪器。又称声波时差测井仪。
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invariant element
invariant embedding
invariant embedding method
invariant equation
invariant estimate
invariant estimator
invariant estimator (estimate)
invariant event
invariant expression
invariant factor
invariant factor ideal
invariant family of distributions
invariant field
invariant form
invariant function
invariant functional
invariant geodesic
invariant geometric object
invariant group
invariant group element
invariant harmonic function
invariant hypothesis
invariant ideal
invariant imbedding
invariant imbedding method
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