The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.作者证实:单叶双曲面和双曲抛物面是直线曲面.Two fdmilies Of characteristic lines in the hyperbolic region are not orthogonal.在双曲型区域两族特征线互不正交.F...
The telegram turned out to have been bogus.电报原来是假的。He said these figures were bogus and totally inaccurate.他说这些数字都是捏造的，完全不准确。She was fooled by his bogus identity card.她被他的假身份证骗了。...their bogus insurance claim...他们伪造的保险索赔...
When we had eaten, we dossed down in the lounge.我们吃过后，就在休息室里睡下了。Sardines can be eaten fresh but are often preserved in tins.沙丁鱼可以吃新鲜的,但常常是装听的.An apple core is the part of an apple left after the flesh has been eaten.苹果核是...
雪橇可以按天租用。Skis are available for hire on a daily basis.承租人应负责维修租用的房产。Tenants are responsible for the upkeep of rented property.这些船按小时租用.These boats are let out by the hour....
它们是催化合成肉桂酸正丁酯的良好催化剂.They were good catalyst for synthesis of n - butyl cinnamate.计算并绘制了H_2O及反式肉桂酸的MEP图.MEP of H _ 2 O and trans - cinnamic acid were calculated, and themaps were drawn.以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯.Butyl...