1) Equal nodal period
等交点周期
2) nodal period
交点周期
1.
The results showed that the J2 perturbation can not affect the relative movement of satellites in formation when the satellites have equal orbital nodal periods and nodal pr.
如果编队卫星的交点周期和节线的进动速率相等,那么J2摄动对相对运动没有影响,卫星可长期保持编队飞行。
2.
Then,the relationship among nodal period,fundamental interval and orbital altitude was educed by deriving the definitions of fictitious node.
通过引入假想交点的概念,推导出了交点周期、基本交点距与轨道高度的关系。
3) iso-period plot
等周期图
4) equivalent period
等效周期
5) variational period
非等周期
1.
This paper is about in-depth research on bi-graing diffraction imaging, discussing the change of objective image when grating is variational period grat.
本论文就是对这种双光栅衍射成像的深入研究,主要研究光栅为非等周期光栅时物体图像的变化情况。
6) chain element
恒等周期
补充资料：长等短等
1.犹言左等右等。谓等待久。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条