测量扁率是极为困难的.Determining the oblateness is extremely difficult.详细计算分析了地球扁率对最优轨道的影响.The changes of optimal trajectory caused by Earth's oblateness are computed.这个椭球面通常以它的长半轴和短半轴或者长半轴和扁率定义.The ellipsoid is defined by it...
Purpose To observe the anti - glioma effects of lymphocyte activated by SEC.目的观察SEC活化的淋巴细胞对胶质瘤的杀伤作用.Objective To discuss the etiological relationship between brain trauma and glioma.目的探讨脑外伤与胶质瘤在病因学上有无关系.Objective To expl...
海伦选择的唇膏很适合她的肤色。Helen's choice of lipstick was a good match for her skin-tone.“海伦走之前吃了点儿东西，”塞西尔急忙插了一句。"Helen had something to eat before she left," put in Cecil anxiously.海伦也是25岁，也来自伯明翰，但是相同之处仅此而已。Helen is also 25 an...
You are leaving for East Timor and Liberia soon.你们很快就要前往东帝汶和利比里亚.There is also a place for newcomers East Timor and Kiribati.此外,奥运新成员还有东帝汶和基里巴斯.The picture shows Timor - Leste's one and only port with poor condition...