The agency added that any changes were not outside of safety limits.

该机构还说，任何变化都没有超出安全限制。

This is more than six times higher than Thailand's air pollution safety limits.

这个含量已经是泰国空气污染安全极限的6倍。

The researchers report that conditions on Earth have pushed past seven of eight safety limits established by science.

研究人员报告说，地球上的环境已经超过了科学确定的8项安全极限中的7项。

This stuff is so potent that, as an airborne vapor just a few millionths of a gram per cubic meter of air meets the legal safety limits.

这东西非常强大，作为一种可以利用空气传播的气体，每立方米空气中有百万分之几克，就是法定安全上限。

The U.S. space agency NASA reported early this month that the station was operating normally and noted that the spin was within safety limits for its systems.

美国航天局本月初报告称，国际空间站运行正常，并指出这次旋转在其系统的安全范围内。