the density of a gas一种气体的密度Mercury has a much greater density than water.水银的密度比水大得多.Astronomers know that Pluto and Triton have nearly the same size, mass, and density.天文学家知道冥王星与海卫一拥有几乎相同的体积、质量与密度。...
用于鉴定一些将要区分的聚群之方法通常称为 聚类 过程.Methods: Used to identify the clusters which should be distinguished are commonly called " clustering procedures ".这种算法结合密度聚类和层次聚类两种思想.The clustering method combines the density and the hierarc...
The deathly pallor of her skin had been replaced by the faintest flush of color...她如死灰般苍白的皮肤开始现出淡淡的血色。His face turned deathly pale.他的脸色变得惨白。Bernadette turned deathly pale.贝尔纳黛特脸色变得死一般地惨白。He is deathly afraid of black cro...
He's a sly old beggar if ever there was one.他确确实实是个老奸巨猾的家伙。The statistics beggar belief.统计数据让人难以置信。Aren't you dressed yet, you lazy beggar?你这个懒汉还没穿好衣服吗？...
可以采取疫苗接种和其他预防措施。Vaccination and other prophylactic measures can be carried out.钙可能有助于预防结肠癌。Calcium may aid in the prevention of colon cancer.我们已意识到潜在的问题，并采取了全面的预防措施。We are aware of the potential problems and have taken e...