“artificial radioactivity survey instrument”的概念、定义、翻译、参考文献-科学参考

单词	artificial radioactivity survey instrument
释义	artificial radioactivity survey instrument Encyclopedia 工学人工放射性勘查仪器释 artificial radioactivity survey instrument人工放射性勘查仪器利用不同核素受激后所放出电磁辐射的类型与差异，测量其强度以定性或定量确定核素种类或含量的仪器。
随便看	principal coefficient of contraction principal cohomology class principal coincidence curve principal component principal component analysis principal component analysis and singular value decomposition principal component analysis (PCA) principal component analysis, PCA principal component analysis,PCA principal component clustering principal component discrimination principal component estimate principal component estimate of the coefficients in linear regression model principal component estimation principal component of order p principal component regression principal component regression method principal component regression method (PCR) principal component regression spectrophotometry principal components principal components analysis principal component transformation principal computable enumeration principal congruence principal congruence relation

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