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？

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%。