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1·The piston then descends on the induction stroke, and draws a fresh charge into the cylinder.

活塞转而进入吸入冲程并向气缸内吸入新的混合气体。

2·We took advantage of the stroke-comprising characteristics of Chinese characters to simplify the P300 induction interface, and designed the Chinese typing virtual keyboard accordingly.

系统利用汉字基于笔画的特性简化了P300诱发界面，并据此设计了相应的汉字虚拟键盘。