The actual land use planning didn't lucubrate into the sustainable land use deeply, thus it was placed into an embarrassed condition facing the issues of environment.

对土地可持续利用研究的不够深入,使得我土地利用规划在面临区域生态环境问题常常处于尴尬境地。

With the lucubrate research of fault mechanism, according to the domino theory and ICAO, to bring forward the idea of electric power system fault chain.

在深入研究电力系统障机理的基础上,依据骨牌论和际民航组织(ICAO)防止事手册上提出的“事链”概念,提出了“电力系统事链”的思想。