爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.RESEARCH ON ELLIPTIC JUNCTION LINE OF CONIC BRANCH PIPE Y SHAPE STRAIGHT TEE
锥形分支管Y型三通的完全光滑椭圆相贯线的研究收藏指正
2.You can then calculate rigorously their future movements. The solutions of the Kepler problem are conic sections—circles, ellipses, parabolas, and hyperbolas and straight line.
Kepler问题的解可以很容易解出,它们是圆锥曲线—椭圆,抛物线,双曲线和直线。收藏指正
尝试查询