生命意义探索
search for meaning-in-life
生命意义寻求
the search for meaning in life
油气勘探意义
petroleum exploration significance
《易经》意义的来源
The origin of the meanings of Yi jing
Devaney意义下的混沌映射
Devaney’s sense chaotic map
板块构造意义
plate tectonies significance
保护的意义
Significance of conservation
补偿意义
significance of the compensation