Floristics is the study of floras, including the preparation of Floras.植物区系学是研究植物区系的一门学科, 其中包括编写植物志.We shall appreciate this difficulty more clearly, by looking to certain existing faunas and floras.通过观察某些现存的动物群和植物群,我们就能...
the silhouette of chimneys and towers烟囱和塔楼的轮廓You will know the house by its tall chimneys.看到那些大烟囱你就会认出那所房子.He could see grimy roofs, factory chimneys and church spires.他可以看到肮脏的屋顶 、 工厂的烟囱和教堂的尖顶.The chimneys were pluming t...
所有四价配位体对铜都有钝化效果,能与铜形成平面的四价配位络合物.All the tetraderadentate ligands were found to be effective with copper, which forms planar four - coordination complexes.可以通过形成络合物的方法来破坏氰离子发生钝化作用.The destruction on inactivation of cyanid...
卖糖果的人刚出现,急切的孩子们便把他包围了.The eager children mobbed the candy man the moment he appeared.我看得见, 也感觉得到那同样的渴望和急切的期待.I could see, could feel the same longing, the same desperate hoping.急切的购物者在牺牲品桌旁仔细检查衬衫以便选购.Eager shoppers were ...
He's accused of misusing $17.5 million from a secret government slush fund.他被指控滥用秘密的政府行贿基金，金额达1,750万美元。This means we must stop misusing them.也就是说,我们已必须停止滥用抗菌素不可了.Misusing organic fertilizer may cause a decrease in t...
The courses are long and punishing, with steep gradients.这些赛道既长又有陡坡，极具挑战性。Across geographic gradients, Levins expects allopatric races or coenospecies exist.穿过地理梯度, 莱文斯预料有分布区不重叠的小种或近群种.And the evidence is that the differ...
The basic principle and one - dimensional mathematic model of MagnetoHydrodynamic ( MHD ) controlled inlet were presented.阐述了 磁控 进气道的基本原理,建立了一 维 数学模型.The mathematic problem must be solved by complex QR decomposition algo...