但经过科学研究工作者和文物工作者的共同努力，近年来复合封护剂在青铜文物保护中已取得了很大的进展。

With the joint efforts of the scientific workers and archeologists, great achievements have made in the composite protective agent for the protection of bronze artifacts.

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但经过科学研究工作者和文物工作者的共同努力，近年来复合封护剂在青铜文物保护中已取得了很大的进展。

An efficient composite protective agent for iron relics was studied and its main performances were tested according to the requirement for the conservation of iron cultural relics in this paper.

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丁肇中热心培养中国高能物理学人才，经常回国选拔年轻科学工作者到他领导的小组从事科学研究工作。

Ding Zhaozhong is very dedicated to training high-energy physics professionals of China and often comes back to the country to recruit young scientists to work in his scientific research groups.

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