To determine the principal maximal stress-strain cycle of engine components is an important step in research on engine components' life.

确定发动机零部件的最大应力应变循环是进行零部件寿命研究的重要内容之一。

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Study on hydrological cycle effect in river basin based on principal component analysis;

主要介绍用主成分分析法对输入变量进行预处理的方法 。

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In these cases, the principal amount due within one year (or the operating cycle) is regarded as a current liability, and the remainder of the obligation is classified as a long-term liability.

在这种情况下，一年(或一个经营周期)内到期的本金应作为流动负债，而负债的其余部分则作为长期负债。

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In these cases, the principal amount due within one year (or the operating cycle) is regarded as a current liability, and the remainder of the obligation is classified as a long-term liability.

在这种情况下，一年(或一个经营周期)内到期的本金应作为流动负债，而负债的其余部分则作为长期负债。

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