此外，即使在最好的情况下，使用图像或图标信息表示形式也很难植入层次结构思想。
Moreover, it's difficult at best to embed the idea of a hierarchy using images or iconic representations for information.
他帮助构思了《第一阶段削减战略武器条约》，在80年代重新组织和加强军事指挥结构的立法中起了关键作用。
He had helped to craft the START I treaty and had played a key role in the legislation that reorganized and strengthened the military command structure in the 1980s.
膜型扁网壳结构是在钢筋混凝土膜型扁壳的基础上，构思出的一种新的空间结构形式。
The filmy flat latticed shell is a new space structural system developed on the basis of the RC filmy flat shell.
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