可重复使用性和封装是二个最明显的面向对象编程的好处。
Reusability and encapsulation are the two most obvious benefits of object-oriented programming paradigms.
教育技术装备的特征是：真实再现性、具象性、可重复使用性和经济性。
The characters of education technology equipment is the true reappearance, representation, repetition application and economy.
结果硫酸镓催化活性高，易分离回收，操作简单，后处理方便，重复使用性良好。
Results Gallium sulfate had high catalytic activity and could be recovered easily, operated simply, post-treated conveniently and used repeatedly.
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