A conservative estimate of average mobile phone use now is approximately half an hour a day, seven days a week.

保守估计当今手机的使用频率是每天一个半小时，并且天天如此。

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The multiplier for the estimate of man-hour costs to take care of overheads and fringe benefits.

工时成本估计的乘数及以满足福利费和经营管理费的需要。

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It is not necessary to assume the concrete stochastic process model for a repairable system when we estimate the failure hour by means of the grey forecasting model.

认为运用灰色预测模型来估计可修复系统的故障时刻，不必假定系统的随机过程模型。

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Researchers estimate the cost would start at about 9 cents a kilowatt-hour for the first EGS project and fall to as little as 4 cents, including construction, development and financing but not including any government subsidies that may be available.

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In a four-hour masterpiece, Sale packed two ice cream sundaes and, by one teammate's estimate, around 30 bags of potato chips into one of the skinniest bodies the sport has ever seen.

WSJ: Chris Sale: Baseball's Greatest Metabolism

In my experience, that estimate was accurate within 10 percent on either side, even on seven-plus-hour hauls.

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