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AOP can encapsulate the logic or responsibilities (such as transaction processing, log management, authority control, etc.) that have nothing to do with the business but are jointly called by the business modules, which is convenient to reduce the repeated codes of the system, reduce the coupling degree between modules, and is conducive to future scalability and maintainability.陈启和魏明林客套几句后，便结束了通话。3. Physical period: Uniform circular motion is a kind of periodic motion. The so-called periodicity refers to the fact that after a certain period of time, the moving object repeats back to its original position, and the instantaneous speed repeats back to its original size and direction. The time it takes for an object to move in a uniform circle is called a period. The period is expressed by the symbol T, and the period is also a physical quantity describing the speed of uniform circular motion. The long period indicates the slow motion of the object, while the short period indicates the fast motion of the object.Ed Helms饰演主角Nathan Rutherford，这个住在新英格兰小镇的主角不太能面对自己生活上的变化。不再那么如幽魂一般，立即抓住这个机会，郑重吩咐刑部尚书道：汪卿，朕令刑部全力稽查此案，一定要在张姑娘的爹娘到京城之前抓住真凶，让张姑娘能向爹娘略尽孝心。