This article gives us the quantitative concept of cavityeffect, cavity factor, which is depended on the shape and the material of the cavity.
本文从辐射表面之间的换热规律出发,推导出反映空腔效应的定量概念——空腔因子。
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Results: Pelvic inflammatory diseases, abortion, IUD, pelvic cavity operation, tubal ligation and pathological changes of reproductive system have evident effect on ectopic pregnancy.