In his search for help he even went as far as buying an ad on LWN, which said: "Want to make money with free software?"

在寻找帮忙的过程中，他甚至有点走火入魔地在LWN 上购买了一幅广告，上面写道：「想要以自由软体来赚钱吗？

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The calculation results, based on mass balance of chemical concentrations, indicate that the average recovery rate of injected water in the current production well LWN-4 is about 88.5%.

基于水化学浓度质量平衡的计算结果表明，开采井中回灌水的平均回采率约为88.5%。

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