How to implement the simulation tests for the construction of complex structure in virtual environment so as to obtain optimized construction scheme and to train builders are presented in this paper.

本文研究了如何在虚拟的环境中实现复杂建筑施工的仿真试验，以获取优化的施工方案及对施工人员进行培训。

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What they and the government need to do now is support the small-scale entrepreneurs who want to train legions of wood workers, home builders, machine-operators, and plumbers.

CNN: Could it finally be springtime for Nigeria?