Spring starts when the day and night are the same length.

当白天和黑夜一样长时，春天就开始了。

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As the application window expands or contracts, this space will scale in proportion to the length of the spring.

如果应用程序窗口扩展或收缩，这块空间也会根据弹簧长度成比例地伸缩。

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Steel arches rise and spring from mass concrete piers asymmetrically, in length, between the road decks to mark the mainland and the navigation channels.

钢拱在路面平台中间，从大块混凝土桥墩(长度上)不对称地跳出来并升起，突出了大陆和航道。

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He came to spring training last season with shoulder-length hair and never cut it as he rehabbed from Tommy John surgery.

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This means the spring floods that cleared the river of vegetation no longer happen, making it difficult for the cranes to use the length of the river to roost out of range of most predators.

BBC: Nebraska��s awe-inspiring crane migration