Elevator model, with complex structure and expensive price, is difficult to equip largely, and has shortcomings, e. g. great size, easy to damage and difficult to maintain.
电梯模型的结构复杂，价格昂贵，很难大量配备，同时还具有体积大、容易损坏和维护困难等缺点。
The content of G CGE model concentrates on the behavior structure, data structure and the relative solutions.
研究内容为G CGE模型的行为结构、数据结构与求解研究。
Note 1: Annex G may be used to model the soil -structure interaction.
注1：可以按照附录G对土-结构相互作用建模。
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