This is because middle- and upper- latitude timberlines are strongly influenced by the duration and depth of the snow cover.

这是因为中纬度和高纬度地区的林木线受到积雪存留时间和厚度的强烈影响。

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On the ground, viewers in the full shadow's path-aka the path of totality-see the moon cover the sun's disk for several minutes. Only the sun's faint upper atmosphere, or corona, remains visible.

地面上处于本影位置的观测者可以看到月球将太阳整个覆盖住，时间长达几分钟，其时只有太阳微弱的上层大气或称为日冕依然处于可见状态。

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An upper guard must cover the entire blade of the saw.

上防护装置必须能够覆盖圆锯的整个刀片。

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That's pretty good 'cause now, I can pretty much cover my American keyboard pretty effectively both upper case, lower case, and a whole bunch of punctuation. For other languages as in aside, there are other encoding schemes when there are more characters.

那是相当不错的，它可以包含整个美式键盘中的字符,包括大小写字母和一连串标点,对于其他语言，当涉及更多字符时就会有其他的编码体系。

哈佛公开课 - 计算机科学课程节选

You can either pull it up high and cover your upper half, in which case your feet will get cold, or you can leave it low, have toasty feet, but find yourself freezing further up.

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In the U.S., the Oakland A's and Florida Marlins have employed giant tarps to cover sections of unsold seats in the upper decks of their stadiums (the only difference is that they don't have pictures).

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Gatorade, Hanes and Upper Deck are long-time Jordan sponsors. 2K Sports put Jordan on the cover of its NBA 2K11 and 2K12 video games.

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