本项目的抗震设计应按不低于基本烈度7度设防。的翻译：Seismic design of the project basic intensity should be not lower than 7 medium security. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Seismic design of this project shall be not less than the basic intensity 7 degrees fortification.

Seismic design of the project basic intensity should be not lower than 7 medium security.

This project earthquake resistance design should according to not be lower than the basic intensity 7 degrees fortifications.

This project in earthquake-resistant design should be no less than 7 degrees Celsius maximum intensity.

Seismic design of the project basic intensity should be not lower than 7 medium security.