space-time law

Does the US need a perfect law on space tourism?

美国需要完美善的太空旅游法吗？

Analysis on the Space-time Variation Law for the Water-surface Evaporating Capacity of Shanxi Province

山西省水面蒸发量时空变化规律分析

The soil eroded data in different period are used to analyse systematically the situation and space-time change law of soil hydraulic power erosion in ZhangZhou city, and the reason is discussed.

利用不同时期的土壤侵蚀数据，系统地分析漳州市土壤水力侵蚀现状和时空变化规律，并对产生的原因进行深入的探讨。

The principles of non-contradiction, zero-difference and free space-time in law of freedom show that deviated rhetoric describes things and expresses concept regardless of the contradiction, difference, and space-time.

自由律的无矛盾、零差异和无时空的特性使变异修辞在表达观念或事物时不考虑事物之间、观念之间的矛盾和差异，也不考虑时空差异。

The Study of the Space-time Distribution Law of Water Quality Parameter in the Poyang Lake

鄱阳湖水质参数时空分布规律探讨

Simulations have shown that the advantage of new guidance law, and the analytical solution based on linearization and the numerical solution of the nonlinear equations show agreement, avoiding the complicated solution of the optimal terminal guidance for space intercept.

将非线性方程得出的数值解和这种导引律的解析解相比，仿真表明这种方法的解析解与数值解一致，且避免了最优制导复杂的解析结果。

This paper, on the basis of Yuelu-mountain high-tech park in Changsha city, beginning with the investigation of diversiform transit-trip in the park, firstly analyzes and evaluates space-time change law of traffic flow and situation of traffic service level on actual road net-work in the park;

本文以长沙市岳麓山高科技园区为依托，从调查园区内的各类交通出行开始，首先分析评价了园区内现状道路网上的交通流时空变化规律及道路网上的交通服务水平状况；

The results show that this paper established by the manipulator path planning algorithm accurate and reliable, able to provide an effective manipulator movement path planning, and improve the artificial potential field of law can be effectively applied to the terminal space manipulator obstacle avoidance path planning.

仿真验证表明，本文所建立的机械臂路径规划算法正确可靠，能够对机械臂运动提供有效的路径规划，而且改进的人工势场法可以有效的应用于空间机械臂的末端避障路径规划。

The appraisal content includes precipitation, runoff and their space-time change law of every key element. That includes the quantity and the quality of surface water and grounder water.

评价内容包括降水、径流及各要素时空变化规律，地表水、地下水资源的数量、水资源质量以及总资源量和水资源可利用量。

A Terminal Guidance Law in Space Interception System

空间拦截系统的末制导律

Design of an impulse terminal guidance law of space interception

一种脉冲式空间拦截末端导引规律的设计