1·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。
2·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。
3·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。
4·At present in China, the upsurge of the great agriculture has become the whole tendency of building new countrysides and being fairly well-off of the peasants.
目前的中国，大农业的兴起已成为建设新农村、农民奔小康的整体趋势。