“radiodiagnosis”的概念、定义、翻译、参考文献-科学参考

单词	radiodiagnosis
释义	radiodiagnosis Encyclopedia 医学放射卫生释 radiodiagnosis放射诊断在医学诊断中，利用X射线特有的穿透特性、荧光效应和感光效应，在其穿透人体后，使人体内部组织器官结构在荧光屏或胶片上显示出明暗层次不同的影像，从而了解人体形态结构、生理功能及病理变化，达到判断疾病的技术手段。
随便看	non negative characteristic form non-negative characteristic form nonnegative characteristic form nonnegative combination nonnegative definite nonnegative definite kernel nonnegative definite matrix nonnegative definiteness nonnegative definite quadratic estimate non-negative definite quadratic estimator nonnegative divisor nonnegative element nonnegative function nonnegative integer nonnegative integral kernel nonnegative manifold nonnegative matrix non-negative matrix factorization nonnegative measure nonnegative number nonnegative operator nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix

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