concentric development的意思|示意

Its root tuber has multilayer concentric circularity similar to "annual ring lines" at the initial stages of development, and grows and enriches at the same year.

块根在发育的初期具有类似“年轮纹路”的多层同心圆结构，当年产生，当年充实。

Objective To observe the effects of concentric reduction and acetabular development after the treatment of the DDH for the prediction of acetabular development.

目的观察发育性髋关节发育不良（DDH） 治疗后股骨头同心复位、髋臼发育的情况，预测髋臼的发育。