Provided that the buckle as the sine-wave, the shape tolerance can be deduced by using the power series expansion as well as the curve integration.
假定波浪为正弦波，利用曲线积分和幂级数展开推导出板形公差。
The MS Series is a pure sine wave inverter designed especially for rugged mobile applications.
MS系列产品是完全正弦波逆变器设计用于特别是崎岖的移动应用。
MP series online UPS of MP series is of little volume, lightweight and output of high-frequency online purely sine wave and the machine can start by using DC battery.
MP系列在线式UPS具有体积小、重量轻、高频在线式纯正弦波输出，电池直流直接开机。
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