本文介绍了通过建立数学模型、并采用CAD技术直接计算并生成避雷针保护范围，可以避免计算差错并明显的提高设计效率。
This paper will introduce how to build the mathematical models, and calculate the protection range of the lightning rods via CAD technology.
富兰克林是美国的国父，远近双对焦眼镜和避雷针的发明者，小学辍学生——虽然听起来有些不可思议，但这正是富兰克林的准确生平介绍。
A founding father, the inventor of bifocals and the lightning rod and elementary-school dropout-it sounds crazy, but this is an accurate description of Franklin.
介绍了提前放电避雷针的原理、构造及其特点。
Introduce and discharge the principle, structure and characteristic of the lightning rod ahead of time.
介绍了提前放电避雷针的原理、构造及其特点。
Introduce and discharge the principle, structure and characteristic of the lightning rod ahead of time.
应用推荐