By using the method of dangerous ball-center, a design and check solution of lighting rod for complex building structure is offered.

利用危险球心法可以对复杂结构建筑物的防雷设计与校核提供一种简便的解题思路和方法。

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By using the method of dangerous ball-center, a design and check solution of lighting rod for complex building structure is offered.

利用危险球心法可以对复杂结构建筑物的防雷设计与校核提供一种简便的解题思路和方法。

youdao