结果表明，电位扫描速度和电位阶跃频率对裂纹萌生与扩展有显著影响。
The results indicated that potential scan rate and step frequency played an essential role in the initiation and propagation of crack.
研究了激光功率，频率，扫描速度等参数及加工程序对芯片加工质量的影响。
The effects of laser power, frequency, writing speed and procedures on the quality of the chip was evaluated.
高压硅堆是彩电和彩色显示器行输出电路中的关键器件，其开关速度的快慢直接限制了行扫描频率的高低。
High voltage silicon pile is the key component of the output circuits of color TV and color monitor, whose switch frequency is the direct restrictive factor of line scan.
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