There is still no universally agreed-on explanation for why there should be such a dramatic cessation of tree growth at the upper timberline.

对于为什么树线以上的树木会突然停止生长，至今还没有一个公认的解释。

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Industrial service providers and business partners can define constraints on resources for initial resource allocation and determine the upper limit for potential growth in future.

行业服务提供商和业务合伙人可以定义资源约束，用于初始资源分配，决定未来潜在增长的上限。

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In leaves on middle and upper rank of growth plant took theshape of saddle and usually got paired with cork cells arranging alternatively in manyforms with long cells.

成长植株的中、高位叶硅质细胞成马鞍形，通常与栓质细胞成对，与长细胞相间排列成多种图形。

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There's been a huge growth in upper-end tourists coming to N.

FORBES: "We Weren't Hut People"

In more recent data from the Census Bureau, there was no growth in upper income levels in the past year and a modest decline below.

FORBES: Obama Exploits A Downturn To Engineer Us Socially

In fact, it was Brett Sturgess with a serious amount of growth on his upper lip doing a rowing session!

BBC: Clive Stuart-Smith column