在地震多发地区，如果建树技术完善就可以大大减弱震波的影响。

In zones where earthquakes are known to occur, improved construction techniques can significantly reduce the effects of seismic waves.

youdao

所以，当地震波及到我公司的时候，破坏力已经大大减弱。

Thus, the earthquake's strength had dissipated considerably by the time that it had reached Chengdu and our office.

youdao