Dependency Inversion Principle states that we should decouple high level modules from low level modules, introducing an abstraction layer between the high level classes and low level classes.
依赖倒置原则声明了我们应该将高层模块和低层模块解偶，在高层类和低层类之间引入一个抽象层。
2
It would be tough to trigger an inversion of the government yield curve, with short rates at this level.
短期利率处于目前水平，同期比将很难引起国债收益率曲线反转。
3
Precipitation is usually light rain or drizzle formed by coalescence since the freezing level tends to be above the inversion layer , particularly in summer.