transformationism生物变化论transformationn.转型；转化；改造transformation of industries cluster产业集群转型transformation of the feudal society封建社会转型Transformational-Generative Theory转换生成语法理论Transformation for capacity expansion扩能改造transformation to broad-leaf forest阔叶化改造transformation of knowledge to wisdom转识成智Transformations and the Matrix Object变换和矩阵transformation of normal universities高师院校转型transformational-generative grammar转换生成语法Transformation of soil organic carbon土壤有机碳转化

1. But the bending moment at the central hinge must vanish.
   但在中间铰处，弯矩必定为零。
2. The 2 main hinge parts have a central guide to prevent door sagging during adjusment.
   门铰两个主体有一个中心导槽，用于防止调整时门下垂。