Metal flow is a very inhomogeneous process during backward extrusion of complex box body, Relative shape and size of the blank is a key factor which affect metal flow.
复杂盒形零件的反挤压是一个极其不均匀的流动过程 ，坯料的相对形状及尺寸是影响金属流动的关键因素。
Finally by analyzing these data we can obtain the parameters about the laser beam such as: beam size, relative beam power, relative peak power, divergence Angle, M2 factor and so on.
通过分析这些数据可以获得有关光束的一些参数，如光斑尺寸、相对光功率、相对峰值功率、发散角、M2因子等等。
Volume size and cost of installation of a better correlation, the relative size of size, volume size includes the vertical size factor.
体积尺寸与安装工程造价相关性更好，相对面积尺寸，体积尺寸还综合了竖向尺寸因素。
Reactor temperature is the most important influence factor and plays the decision role to the bio-oil production rate, the particle size and fluidization gas amount play the relative small role to it.
其中反应器温度做为最重要的影响因素对生物油的产率起决定作用，而生物质颗粒粒径、载气流量对生物油产率的影响相对较小。
Relative porosity factor value can be used to characterize the relation between the molecular size of the polymer and the its retention in the flow of polymer solution through porous media.
相对孔隙系数值可用以表征聚合物溶液流经孔隙介质时聚合物分子尺寸与滞留作用的关系。
A lot more study needs to be done on the relative importance of these factors, but clearly resource limitation is a key factor in the evolution of size.
关于这些因素的重要性还需要进一步地研究，但是目前很清晰的是在动物体型的进化上，资源限制是一个关键的因素。
A lot more study needs to be done on the relative importance of these factors, but clearly resource limitation is a key factor in the evolution of size.
关于这些因素的重要性还需要进一步地研究，但是目前很清晰的是在动物体型的进化上，资源限制是一个关键的因素。
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