单词	石龜
释义	石龜 shí guī石琢的龟。古或用作瑞物。石龟
随便看	population cage Population can increase in a geometric ratio population canopy structure population capacity population capacity of environment population carrying capacity population census Population Census and Gender Statistics Population census data population censuses population census of China population census of chongqing city population census statistics population center population center distance Population center of gravity population centers population central moment population centre population centres population-centric population change population change and demand Population changes population change theory