目的观察兔胫骨骨膜大部切除后供区骨变化。
AIM to observe the effects of subtotal periosteal stripping on the architecture of the rabbits' tibia.
公司开发的新型传感技术拓展了人们的视野，相比之下，传统的控制系统自从自动变速器诞生的那天起压根儿就没有产生过脱胎换骨的变化。
Our innovative sensing technologies allow us to look beyond traditional controls that haven't changed dramatically since the introduction of the automatic transmission.
骨密度代表骨的强度，骨密度依随体重和负重锻炼而相应升降变化。
Bone density contributes to the strength of the bones; and their density changes in response to body weight and to weight-bearing exercise.
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