但是设计规定的强度仅仅为7，所以当地建筑遭到了大面积的毁坏。

But the design required for this area is only for an intensity of 7, which I think explains a lot of the damage for the buildings in the area.

youdao

比起无线射频识别技术（RFID），电磁波传导技术更为安全，对大脑也没有损害，因为它的磁场比美国及其它国家所规定的强度还要低。

The tech is more secure than RFID and they even say it’s safe for our brains because “it’s under a certain limitation in the magnetic field, ” set by the U.S. and other national governments.

youdao

下述条款给出了普通和高强度混凝土的原理和规定。

P The following clauses give principles and rules for normal and high strength concrete.

youdao