Fractional characteristics between length, width, thickness and weight of a single kernel were studied by using net method that adapted to the discrete function.
采用适合离散函数的网格法研究小麦籽粒的长度、宽度、厚度、单粒质量等参数间的分形特性。
The first optimum model is established with the target function of the frame's weight as well as with the design variables of the beam's single layer thickness.
首先以纵梁各部分单层厚度为设计变量，建立了以车架重量为目标函数的优化模型并进行了优化研究，取得了较好的优化效果。
The aim of the utility model is to overcome the shortages of larger weight, larger thickness, only luminescence, no light reflection, poor light adaptability, and single function of the prior art.
目的在于克服现有技术重量较大、厚度较厚、只能发光而不能反光、对光线适应性差、功能单一的缺点。
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