This paper also discusses how to select the appropriate circuit parameters according to short-circuit current margin.

短路 电流裕量来选择合适的电路参数。

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Through contrasting the margin system of China futures markets with those of international markets, it points out the shortage of our current margin system.

通过对比我国的保证金制度与国际各大成熟期货市场保证金制度的差异研究，指出我国现行保证金制度存在的不足之处。

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Then, adopting reactive current margin and harmonics as control and protection variable, an expert system was formed to control thyristor switched capacitor.

以无功电流差补值作为控制参量，并以高次谐波电流作为谐振保护信号，由专家系统给出投切无功补偿电容的控制指令。

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Performance and Safety Materials Gross Margin: The performance and safety materials division has a current gross margin of 27%.

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Given that current operating margin is below 3%, this would easily more than triple earnings, even without any revenue growth.

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It is no longer clear how the current investments in the very low-margin e-tailing business or the current strategy in the very competitive tablet business will result in better margins going forward.

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