1) rate of crown length
冠长率
1.
The effect of the rate of crown length on the diameter and volume of a tree;
冠长率对树木直径和材积的影响
2) crown length
冠长
1.
The aim of the study is to investigate the relation of the dental wedge-shaped defects (non-carious cervical lesion) with its attrition, its crown length and its crown-root ratio in Chinese 1839 premolars.
本实验旨在探讨前磨牙楔状缺损与牙合面磨损、牙齿冠长、冠根比的关系。
3) long crown abutment
长冠基牙
1.
Observation on the clinical effect of complete overdenture with long crown abutments;
长冠基牙覆盖总义齿的临床效果观察
补充资料：长率
1.长官与下属。 2.特指古代一方诸侯之长。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条