为解决压裂液的前期降粘与后期破胶困难的矛盾，研制出了一种新型的水基压裂液破胶剂——EB - 1微胶囊破胶剂。
A novel water base gel breaker for fracturing fluid-EB-1 micro-capsule gel breaker is developed, to solve the difficulty of prophase viscosity reducing and gel breaking in the later period.
明代前期，由于文化政策的影响，明人的词学观念呈现出与中后期不同的面貌。
In the earlier stage of the Ming Dynasty, because of cultural policy effect, the concept of cixue is different from the middle later stage.
初步揭示了前期土壤湿度与后期降水、气温异常间的准半年相关关系。
Since the summer rainfall abnormality has closely relationship with both the soil moisture and temperature abnormality.
叶赛宁在其后期创作中，展现出不同于前期的一种矛盾心态，即对工业化、城市化认同的同时，又依恋旧农村与大自然。
In the latter period of creation, Yecenin showed a different kind of ambivalence, that is, of industrialization and urbanization identity while attached to the old rural and nature.
因此信息系统的开发重点除了后期的信息技术支持以外，前期的需求获取与建模也变的越来越重要。
The developing focus of the information system besides back - end information technical support, requirement of earlier stage are becoming more and more important.
因此信息系统的开发重点除了后期的信息技术支持以外，前期的需求获取与建模也变的越来越重要。
The developing focus of the information system besides back - end information technical support, requirement of earlier stage are becoming more and more important.
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