1、[数]相似比
... ratio by weight重量比 ratio of similitude相似比 rational continuum mechanics理性连续介质力学 ...
2、细长比
...使细长 slenderize细长比 ratio of similitude; ratio of slenderness; slender proportion; slender ratio; ...细长刀 bistoury ...
3、相似比
...similitude method 相似法,相似特性法...ratio of similitude 相似比center of similitude 相似中心 ...