他曾发明一种板上游戏叫做'精神病'，需要将一只小睡椅在板上不停移动。
Once he made a board game called Psychiatry, which consisted of little couches being moved around the board.
本文介绍一种板弹簧优化设计的新方法。它可以减轻板弹簧的自身重量，节省材料。
This paper introduces a new method of optimum design for leaf spring. It may decrease the weight of leaf spring, and save much material.
在传统法铜电解工艺中，种板系统生产出好的始极片是生产高品质阴极铜的重要前提和基础。
In the process of copper electrolysis by the traditional method, good stating sheet product is a major premise and basis for producing copper cathode of high quality.
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