These bands must introduce longitudinal asymmetry in the planetary albedo.这些云带必定引起行星反照率的经向不对称性.If the stellar spectrum is known, the albedo of the dust can be obtained.如果恒星的光谱已知, 就可得出尘埃的反照率.Cloudy areas can also be areas...
只有高氯酸盐表现有显著的感度和可能具有起爆性能.Only the perchlorate shows marked sensitiveness and possibly initiating properties.目的〕研究建立测定烟火药剂中高氯酸盐含量的方法.A method for determination of perchlorates content in pyrotechnic compositions was establ...
He rubbed and rubbed but couldn't seem to get clean.他擦了又擦，可就是擦不干净。The home side rubbed in their superiority with a further goal.主队再进一球从而奠定了优势。She rubbed her arms, but they hurt and she desisted.她揉了揉胳膊，感觉很疼就停下了。...
Their ardour was damped by my critics.我的批评给他们的热情泼了冷水.His eyes were bright with ardour.他因为满腔激情而两眼发亮。Full of militancy and revolutionary ardour, the people of all nationalities in the country are working hard for the reali...
We shall take the typical emitter - to - base resistance as about 250 ohms.我们取发射极基极电阻的典型值为250欧姆左右.We have been considering the transistor with a current fed into the emitter.我们所研究的晶体管都是把电流馈入发射极.The base region is always ...