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1·There's got to be a durability factor.

还必须有耐久性。

2·Finally, a new approach (BP Network) to predicting the durability factor of concrete has been proposed here.

最后，本文提出用BP神经网络预测混凝土抗冻耐久性系数的方法。

3·This shows that durability and persistence is a key factor affecting the performance of Business Events.

这表明持续性和持久性是影响 Business Events 的性能的关键因素。

4·It is an important factor that affects power, economy, durability, reliability and emission of an engine.

因此，它是影响发动机动力性、经济性、耐久性、可靠性以及排放的重要因素。

5·The result shows that cover thickness is the key factor which determines the durability of industrial concrete mill buildings.

结果表明，混凝土保护层厚度是决定混凝土工业厂房耐久性至关重要的因素。

6·The compactness of concrete is an important factor that affects concrete's durability and impermeability.

混凝土的密实度是混凝土耐久性及抗渗性的一个重要指标。

7·Research of recent years pay more attention to the durability of concrete but neglected the cost factor.

近几年的配合比研究大多侧重于混凝土的耐久性，忽略了成本因素。

8·Carbonation of concrete, steel corrosion has been recognized as the most important factor of affecting the durability of reinforced concrete structures.

混凝土碳化、钢筋锈蚀已是公认的影响钢筋混凝土结构耐久性的最重要因素。

9·Except that corrosion caused the strength to decrease, the water is the fundamental factor affecting the durability. But durability of many adhesives under various environments is satisfactory.

除腐蚀因素导致强度骤降之外，水分是影响耐久性的基本原因，但大多数胶粘剂在各类环境下的耐久性是足够可靠的。

10·The main factor influencing the durability of reinforced concrete members is the corrosion of reinforcing bars.

影响钢筋混凝土构件耐久性的主要原因是钢筋锈蚀。