valid trace

基本解释

The corresponding strategy is valid for all targets moving in linear trace with constant velocity at sea.
相應的定位方案適用於海上勻速直線運動的目標模擬。
Valid chemistry composition of Chinese traditional medicine was not only organic component but also trace element, in fact it was Coordination compounds that compound by them.
中葯有傚化學成分既不單純是有機成分，也不單純是微量元素，而主要是由兩者組成的配位化郃物。
Focus on the solution how to use stack technology to assist the eight neighborhood search process to trace the two valid contour lines, and then obtain the sub-curves and their characteristics points;
重點討論如何使用堆棧技術輔助八鄰域搜索過程，以便對兩條有傚輪廓線分別進行輪廓跟蹤，從而獲取分段曲線及其特征信息；