changement
n. 换向机构；转换设备
例句
Special changement structure. Easy and fast.
独特的换字结构，方便快捷。
The changement of operating environment brings great impact to the old telecommunications enterprise management model.
经营环境的变化给电信企业旧有的经营管理模式带来很大的冲击。
The dynamic changement of three markers may be used to predict the trends of diseases and select effective medicine treating hepatic fibrosis.
动态观察上述指标的变化既可掌握患者病情的演变，也为抗肝纤维化药物的筛选奠定基础。
