limiting safe mixture是什么意思

用法例句

Its security ultimate is raised based on the discharged energy,and some practicable preventive measures are introduced.

分析了人体静电的产生及影响因素 ,并根据人体静电放电的能量提出了安全极限 ,最后介绍了一些切实可行的防止人体静电的措

Research on oxide hybrid photoelectrodes is also reviewed.

对开展全氧化物混合光电极的研究进行了简介和展望。