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。
The function principle, structure and material performance of fixed torque bolt are studied in the way of Reverse Engineer in this thesis.
本论文对定扭矩螺栓的功能原理、结构以及材料性能等进行了反求分析。
All had been evaluated using a slower but highly accurate test called real-time reverse transcription-polymerase chain reaction, or rRT-PCR, which checks for the genetic material of the virus.
应用一种缓慢但高度准确的试验，检测病毒的基因物质，叫即时逆转录-聚合酶链反应，或是rRT - P CR，全部做了评价。
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 alpha hydroxy acid containing liposome was made by reverse phase evaporation method with high purity soya lecithin as synthetic material.
以高纯度大豆卵磷脂为包封材料，用反相蒸发法制备出果酸脂质体。
With the reverse design engineering theory, the reverse designs of the structure, CAD hydraulic properties, and the processing and material of the impeller are carried out.
根据反求工程理论，进行该叶轮的结构反求设计、CAD辅助水力性能反求设计和工艺及材料的反求设计。
The spherical lignin beads were prepared by applying reverse-phase suspension polymerization technique with sulphate lignin as raw material.
以硫酸盐木质素为原料，利用反相悬浮技术制备出球形木质素吸附剂。
The possibility of poly(sulfonamido)amide (PSAA) as a new reverse osmosis membrane material with anti-oxidation properties was preliminary studied.
对聚亚磺酰氨基酰胺（PSAA）作为新型抗氧化反渗透膜材料的可能性，以及聚合条件和成膜条件对膜性能的影响作了初步研究。
For different material of particle electrode, there are reverse trends of particle electrode potential with the variation of inorganic salt concentration and organic compound concentration.
对不同的粒子电极材料，粒子电极电位随无机盐含量和有机物含量变化的趋势不同。
The results showed that the novel material possessed good optical limiting, which mainly arised from the reverse saturable absorption(RSA).
实验结果表明，其具有较好的光限幅特性，限幅机制主要起源于反饱和吸收。
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。
The value of waste material logistics is increasingly appearing. Waste material logistics has reverse and uncertain and complex features.
废弃物物流的价值日益显现，其具有逆向性、不确定性和复杂性的特点。
Large dancer arm keeps material from being reverse-bent during the feed process Speed and tube tension are auto-adjusted by computer.
大型松紧调节臂不断从进料加工过程中反向弯曲的材料速度与管张力通过计算机自动调整。
The thesis elaborates the meaning of reverse engineering in machinery service, and it states the methods of material object self examination and software self examination.
文章对机械维修中“反求工程”的意义进行了论述，提出机械维修中实物反求和软件反求应用的方法。
A measuring modeling technique is presented for obtaining solid model from material product based on CAD modeling technique in reverse engineering.
在反求工程CAD建模技术的基础上，介绍了一种从实物样件获取产品实体模型的测量造型技术。
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。
The seat area of the integral body design minimizes pockets where material can accumulate. Illustration above shows direct flow configuration. Reverse flow options are available.
整体阀体结构的阀座区域能够最大限度消除可能产生淤积的死角。上列插图显示直接流向结构。可以提供逆流或倒流结构供选择。
I am a building material importer from Australia. I think the Reverse Sourcing Event is a very innovative idea. It saves our time and money. It's very efficient.
我来自澳大利亚，是建材产品的进口商，我觉得逆向外贸采购洽谈会真的是个非常有创意的主意，可以节省我们买家的时间和费用，效率也高。
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。
This article mainly studies the phenomenon of width reducing of aluminium and aluminium alloy material which is rolled by 4-high non-reverse cold rolling mill with more forward and backward tension.
研究了铝及铝合金板带材经带有较大前后张力的四重高速不可逆冷轧机轧制后产生宽减的现象。
This article mainly studies the phenomenon of width reducing of aluminium and aluminium alloy material which is rolled by 4-high non-reverse cold rolling mill with more forward and backward tension.
研究了铝及铝合金板带材经带有较大前后张力的四重高速不可逆冷轧机轧制后产生宽减的现象。
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