描述性的生態(tài)學(xué)是干燥無(wú)味的課題.Descriptive ecology is a dry subject.一種附加的描述性的解釋或說(shuō)明性注解.An added descriptive comment or explanatory note.前者一般認(rèn)為屬于正統(tǒng)的描述性編目范疇.The former is said to come within the realms of orthodox descriptive cataloguing....