Since 1954 people unearthed stone tombs in Yi Nan, there was ever a great upsurge in studies.
沂南汉画像石墓1954年被发掘后，曾一度掀起研究热潮。
In order to facilitate the communication of foreigners with Chinese people, a great upsurge in learning of Chinese is gaining graound.
外国人为了加速和中国人广泛的沟通，掀起了学习汉语的热潮。
The development and use of CO_2 are a great upsurge in the field of scientific research today, andmuch attention is paid to the materials of carbon dioxide copolymer.
2资源的开发利用是当今科学界的研究热点，目前，CO_2功能高分子材料备受人们关注。
The development and use of CO_2 are a great upsurge in the field of scientific research today, andmuch attention is paid to the materials of carbon dioxide copolymer.
2资源的开发利用是当今科学界的研究热点，目前，CO_2功能高分子材料备受人们关注。
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