Much thought has gone into the selection of a wide range of materials, not usually characteristic of our work.

我们对广泛材料的选择进行深思熟虑，不同于通常的工作特点。

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Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.

在水泵的选型或运行中，通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。

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The characteristic and selection of inductance material for use in PPFC and APFC are introduced.

介绍用于无源和有源功率因数校正中电感材料的特性和选择。

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Sexual selection emphasises the development of characteristics that demonstrate in a way that cannot be faked just how fit that characteristic's possessor is to father (or mother) another individual's offspring.

ECONOMIST: Come up and see my etchings