对自然生态环境和人类文化景观双重属性的关注是景观生态学的重要研究课题。
Concern over natural ecological environment and cultural landscape is an important research subject of landscape ecology.
基于以上认识，笔者认为从产权理论的角度来研究我国商业银行体制改革这一课题，具有理论上和实践上的双重意义。
From the above, the author thinks the research task of our commerce Banks system reform from the point of property right theory has double significance both in theory and practice.
曲线长度的度量和分析是一项具有基础理论和应用价值双重意义的研究课题。
Measuring and analysis of curve length is a valued research subject both in basic theory and practical application.
应用推荐