T he concentrations of ions in electrolyte were measured by normal analysis method, and the content of oxygen in electrolysis gas was measured by gas chromatography.

利用常规的滴定分析方法测定了电解液中各种离子的浓度，并利用气相色谱测定了电解气中的氧气纯度(体积分数)。

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Method:Using retrospectively analysis method and doing the comparative analysis between the 102 cases of hypamnion group and 100 cases normal amniotic fluid group.

方法：采用回顾性分析方法，对羊水过少组102例和羊水正常组100例进行对比分析。

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This method avoids possible memory overflow problem in normal reuse distance analysis, at the same time this method makes complexity of reuse distance analysis decrease to linear.

该方法有效地避免了一般复用距离分析可能导致的内存溢出问题，同时使得复用距离分析达到线性时间复杂度。

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