The multi-surface function method and least square collocating method in sphere surface are proposed, and spherical harmonic method is adjusted in the sequence of longitude and latitude when analyzing low frequency strain calculating methods.
通过对低频应变计算方法的分析,提出了多面函数应变计算方法和最小二乘配置球面方法,同时对球谐函数方法进行了一定的改进(对经纬度顺序进行了调整)。
参考来源 - 高性能计算与GPS地壳形变信息提取·2,447,543篇论文数据，部分数据来源于NoteExpress
To master the law of common surface equation, not only can easily establish a space graphics, but can lay a solid basis for learning multi-function.
掌握常见的曲面方程的识记规律，不仅能轻松建立空间图形，而且为多元函数积分学的学习打下坚实的基础。
Because the objective function of the safety of factor is nonconvex, multi-variable, and existing many minimums, searching the most dangerous failure surface usually is difficult.
由于安全系数的目标函数是非凸的、多变量的并且存在多个极小值，所以一般边坡最危险滑弧的搜索是困难的。
Machine vision system is one of key parts in the multi-function surface mount equipmens.
机器视觉系统是多功能贴片机不可缺少的核心部分。
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