Also two types of triangular generalized conforming element of thin plate are developed, TGC-9 ( 9 d. o. f.) and TGC-9-1 ( nine external d. o. f. and one internal d. o. f.) 推导了两种三角形薄板广义协调元:TGC-9(九个自由度)和TGC-9-1(九个外部自由度和一个内部自由度)。
The establishment of the program control model for a boxing manipulator, which has two and a half d. o. f. 本文以一种具有两个半自由度的装箱机械手为研究对象,以IBM-PC微型计算机为研究工具,对机械手规划控制模型的建立、图形仿真与处理以及动画显示等方面的问题进行了研究。
Leucothrix tends to cause the filamentous bulking of activated sludge when sodium sulfide or sodium acetate is used as substrate and the D. O. 以硫化钠和醋酸钠为基质的污水,高浓度溶解氧极易发生亮发菌引起的活性污泥丝状膨胀,低浓度溶解氧则极易发生发硫菌引起的活性污泥丝状膨胀。