However, at lower discount rate and heavy traffic flow the initial cost of construction is in essence irrelevant.

然而，在折限率较低与交通量大的情况下，从本质上讲，与建设的最初成本没有关系。

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Results of weight loss in lab and field site show that corrosion rate of A3 steel can be accelerated flow of seawater, especially in the initial stage.

室内和实海挂片失重测试比较结果表明，海水流动能够加快A3钢在海水中的腐蚀速度，腐蚀初期尤其明显。

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The effect of temperature, air flow rate, stirring speed, initial mixing condition on the reaction rate and the speed form have been studied systematically.

探讨了反应温度、空气流量、搅拌速度、碱比、初始混合状态等因素对晶种制备过程中氧化速率及晶种形态的影响。

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The initial calculations, there was agreement among BP and NOAA scientists that the likely, approximate rate of flow was around 1, 000 barrels a day.

WHITEHOUSE: Press Briefing on Oil Spill in Gulf of Mexico