出针，中医针灸手法。
通过对打印机工作机理的分析，确定了打印机出针频率与打印头运行速度之间的关系。
The relation equation between the stylus beating frequency and the motion speed of printer head is derived from the analysis of the mechanism of stylus printer and validated by experience.
当妈妈“写作”的时候，她用针作笔，绣出许多美丽的花朵。
When mom is "writing", she USES the needle as her pen, embroiders many beautiful flowers.
当妈妈“写作”的时候，她用针作笔，绣出许多美丽的花朵。
Then both of us have a "writing desk".when mom is "writing", she USES the needle as her pen, embroiders many beautiful flowers.
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