The micro wear mechanism for PEN is plastic flow and broken of the fiber structure, while that for PI is crack initiation, extending and block fracture.
PEN薄带的微观磨损机理主要是纤维组织的塑性流动和拉断，而PI薄带的微观磨损机理为裂纹的萌生、扩张和块状剥落。
The mechanism of the reaction and the effect of the segment structure on it, the segment sequence of the block copolymers prepared have been studied.
研究了反应机理、链段结构对反应的影响以及由此法制备的多嵌段共聚物的链段序列结构。
Got the robot drive system block diagram, sorting and simplified by the motor mechanism model, according to the principle of operation of the robot and control structure.
根据机器人运作的原理和控制结构，得出机器人驱动系统的方框图，整理、简化后得到电机的机理模型。
Got the robot drive system block diagram, sorting and simplified by the motor mechanism model, according to the principle of operation of the robot and control structure.
根据机器人运作的原理和控制结构，得出机器人驱动系统的方框图，整理、简化后得到电机的机理模型。
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