中国冰川学和冻土学研究40年进展和展望_stmopen 关键词】: 冰川学 冻土学 冰冻圈 进展和展望 [gap=643]Keywords】: glaciology,geocryology,cryosphere,progress prospect
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本文阐述了国内外青少年心理健康及危险行为的研究进展和展望。
In this paper, the researches on adolescents' mental health and risk behavior are summarized and prospected.
文中详细论述和分析了纯 水液压传动特点，指出了其主要研究内容及关键技术，并介绍了国内外的研究进展和展望。
This paper presents features, research contents and key technologies of water hydraulics, as well as research statuses home and abroad, and makes prospect for its application.
本文论述了我国核化学基础研究的现状，重点介绍了裂变产物化学形态研究、裂变化学研究、裂变产物放化分离方法研究、长寿命核素核数据测量研究等领域的进展和展望。
The content includes chemical states of fission products, fission chemistry of 235U and 238U, radiochemical separation of fission products and measurement of nuclear data of long-lived nuclides et al.
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