80年代初中期为复苏和初步发展期；

Revival and initial stage of mid-80s;

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目的观察口服复明片治疗初中期老年性白内障的疗效。

Objective To observe the clinical efficacy of Fumingpian in the treatment of early-middle period senile cataract.

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自90年代初中期安全科学技术，已获得国家一级学科地位，但从综合减灾的观点考虑，仍需完善和拓展。

Since the early 1900s, safety science has gained the position of national first-order science. But in view of hazard reduction in comprehensive way, it needs to be improved and developed.

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