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”。
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。
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。
When it comes to demolishing buildings, there are two basic approaches: demolition without material separation, and selective reverse construction.
说到拆除建筑物，有两个基本方法：只拆除不进行材料分离，选择性逆向建筑施工拆除。
The surface material under the condition of half melting is compelled to flow to the reverse direction, that is none restraint free surface. Thus, the grinding triturate is formed.
由于该区内材料产生了巨大的单向反弹力，迫使已处于半熔化状态的表面材料向压力相反方向即无约束的自由表面流动，从而使磨屑形成。
This machine offers the function of reverse discharging, which enables the material on the screw to fall back to discharging exit on the bottom that is convent for discharging operation.
本机提供螺旋反转清料功能，使螺旋桨面的原料落回底面清料口处，便于清料操作。
Water enters from the bottom of the filter with reverse-size filter material and passes a filter material layer form bottom to top.
水从反粒度滤料过滤器底部进入，自下而上通过滤料层。
The utility model relates to a filter with reverse-size filter material which is used for the purification of water.
本实用新型涉及一种反粒度滤料过滤器，用于水的净化。
The utility model relates to a filter with reverse-size filter material which is used for the purification of water.
本实用新型涉及一种反粒度滤料过滤器，用于水的净化。
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