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。...
The zero point of the density scale is defined by having no specimen in the densitometer.定义密度计内设有样品时的密度为密度尺标的零点.Once again, illustrators exposure sites in order to achieve the optical density at least version 4.00.再不主, 不...
There's some speculation that the CLS's boomerang - shaped lights could spread to other Mercedes models.据推测梅塞德斯的其他车型会延用 CLS 的转角形车灯.For more information on CLS Compliance, see Writing CLS - Compliant Code and Co...
然后通过大量实验筛选出两种有效添加剂环丁砜和六次甲基四胺.Following that, two effective additives - syclotersuphone and methenamine are found by series experiments.盐酸雷尼替丁与7, 7, 8, 8-四氰基对二次甲基苯醌荷移反应的研究.Study on the Charge - Transfer Reaction of Raniti...
对水解酶间隔作用作完全分析是很难达到的.A complete analysis of the compartmentation of hydrolases is difficult to achieve.这些要求很难达到.These requirements are going to be difficult to meet.他很难达到目的, 因为他这人太拘泥细节了.He'll hardly reach his aim, be...