In order to overcome the bottleneck of the 2-D package technology, a three-dimensional ( 3-D) package technology has been proposed.
为了克服平面封装技术的瓶颈,人们开发了一种三维封装技术,即叠层封装。
considering the specific characters of three-dimensional load optimization of luggage vehicles in luggage and package transportation, the author establishes the mathematical optimization model and puts forward the genetic algorithm for resolution so as to attain good loading quality and capacity.
结合行包运输行李车三维装载优化问题的具体特点,建立其优化数学模型并提出应用遗传算法求解,以获得行包优化装载方案,达到充分利用行李车装载质量或装载容积的目的。
The software package includes computational finite element models for simulating the two-and three-dimensional movement of water, heat, and multiple solutes in variably saturated media.
体包括有限元计算模型模拟水,热二维和三维运动,多种媒体在变饱和溶质。
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