direction line meaning in Chinese

方向线
指向线

Setting out circular curve with the offset of arbitrary direction line method
任意方向线支距法测设圆曲线
Direction lines method
运动方向线法
An axial direction line multi - sensors placed method is presented . in the process of machine learning , use genetic algorithm to fit the curve of sensor ' s output . to improve the convergence speed of genetic algorithm , hill climbing method is joined with
对示教过程中进行曲线拟和所用的遗传算法进行了一定的研究，为了解决遗传算法在接近收敛点时收敛速度慢的缺点，使用爬山法对其进行改进。