The aim is to reverse the decline in the number of tree species or at least to preserve the "genetic material" of all of them.

其目的是扭转树种数量下降的趋势，或至少保存所有树种的“遗传物质”。

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Learning gis a process in reverse and long, sometimes looking at the thick material is a trance want to cry out loud.

学习是一个反中而又漫长的过程，有时看着那些厚厚的资料真是恍惚的想要哭出声来。

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Taking the front floor as an example, mainly introduced the hoisting wedge driver installed in active pressing material core and making use of reverse wedge driver to form the up flanging structure.

以某车型前地板为例，重点介绍了吊装斜楔驱动器安装在活动压料芯上的结构和利用反向斜楔完成向上翻边的结构。

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So this is trying to reverse them that tradition actually get students in and engaged in the course material.

因此这也是试图将学生,从这种传统中扭转出来,从而使他们能更专注于课堂内容。

麻省理工公开课 - 媒体、教育、市场课程节选

In many cases, the Penrose inquiry has offered assurances of confidentiality to witnesses, promising that material will not be published - but reserving the right to reverse that assurance.

BBC: Equitable probe hit by evidence snags

Reverse logistics means controlling the flow of material, inventory and finished goods from point of consumption to point of origin, for the purpose of recapturing value or proper disposal.

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