the class basis 阶级基础
Party's class basis 党的阶级基础
party s class basis 党的阶级基础
party ' s class basis 党的阶级基础
strengthen the class basis 增强党的阶级基础
class basis and mass basis 阶级基础与群众基础
Freight for class and basis 包箱费率
class fare basis 座舱等级
modeling basis class 造型基础课
The table is built on a per-class basis, not for each instance of the class.
表是基于类构造，不是基于实例构造。
PE lessons are still organized on a class basis, which makes it difficult for teachers to apply flexibly differentiated teaching.
体育课组织形式还是以班级为主，使得教师不能区别对待，给 体育教学带来很大的麻烦。
You might add a check in the metaclass code to see if the attributes were already set in a parent class, but this adds plumbing and it does not give real control on a per-class basis.
也许会在元类代码中添加一个检查，以查看是否在父类中设置了这些属性，但是这样会增加负担，并且不会控制所有的类。
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