The career decision-making difficulty is a multi-component structure, mainly including insufficient preparation, lack of readiness, the lack of information and the inconsistent information.

目前我国大学生职业决策存在的主要困难有三个方面：缺乏准备、对职业决策认识上的偏差和不知道如何去获得关于自己和职业世界的知识。

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In the multi-joint type, the joint structure RRR is selected as the component form of the first three joints, which is silimar to human's arm.

根据机器人的工作空间形状与大小，选定类人手臂的RRR构型为前三个关节组成形式；

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The structure of the punch and die of a stamping die for a multi-bending component was presented.

介绍了多弯弯曲件冲模的凸模、凹模结构。

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