回顾地

The historical development of the concepts of genealogy, phylogeny, monophyly and polyphyly is briefly reviewed.

史回顾了谱系、系统育、单系、多系概念的由。

Many people look back with nostalgia to feudal times.

许多人留恋不舍回顾封建时代。

Early history of the photographic sky maps with wide-angle astrograph is reviewed briefly.12 famous patrol atlases and maps are outlined.

略要回顾了应用广角天体照相似的照相天图史。