生产线可实现卡车底盘纵梁及车厢边框的冲制，具有精度高、生产周期短、灵活性强等优点，并可大大减少生产环节的库存量。
The line can punch the truck chassis side-member and side panel of carriage with high precision short period and high agility and reduce the storage in production greatly.
低压配电网电力线噪声可以分为背景噪声、与工频同步的周期性噪声、突发性噪声、窄频带噪声等。
The noises on low- voltage power networks are classified four types including background noise, periodic noise, burst noise and narrow band noise.
弥补了原子光刻技术中利用激光驻波场控制原子堆积只能制作单一量子点、线等周期性图形的不足。
It can make up the shortage that only the periodic dots or lines can be made when using laser standing wave field to control the atoms to stack on wafer in atom lithography.
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