And, that's the plane that contains the origin, the point, and the velocity vector.
并且这个平面包含了原点和动点，以及速度矢量。
See the point in the middle, at the origin, is a saddle point. If you look at the tangent plane to this graph, you will see that it is actually horizontal at the origin.
我们来看中间的那个点，在原点上，那就是一个鞍点，在这点做一个切平面,你可以看到这个切平面,是在原点上水平的。
This could explain the origin of some of the exoplanets that have been detected with orbits significantly tilted with respect to their star's equatorial plane, Thies says.
它可以解释某些外行星的起源，这些外行星已被检测出它们的运行轨道明显地与它们所围绕恒星的赤道平面相倾斜，蒂斯说。
OK, so for this guy, domain of definition, which is plane minus the origin with the origin removed is not simply connected.
好滴，目前这里，在有定义的区域里，减掉原点，即移去原点，就不是单连通的。
With the beginning of study about the origin of computer graphic design, I specifically analyze the value of the combination of new medium and plane design so that such theory could support design.
本课题从计算机图形图像设计的起源开始进行研究，详细的分析新媒介与平面设计结合应用的价值体现，使理论能够对实际设计起到支撑作用。
The origin of the iliolumbar artery in relation to the plane of the superior aperture of the pelvis is observed.
观察了髂腰动脉的起始部位与骨盆入口平面的上下关系。
The origin of the iliolumbar artery in relation to the plane of the superior aperture of the pelvis is observed.
观察了髂腰动脉的起始部位与骨盆入口平面的上下关系。
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