一边看电视一边做运动

The fundamental reason for using design patterns is to adapt to changes, improve code reuse rate, and make software more maintainable and scalable. In addition, the following principles should be followed when designing: single responsibility principle, open and closed principle, Richter substitution principle, dependency inversion principle, interface isolation principle, composite reuse principle and Dimit principle. Each design principle is described below.敦哉”的才能，将再次被发现。(3) If it is not possible to install the mast light or ring white light on the centerline of the ship's head and tail, the mast light or ring white light of a motor boat of less than 12m in length may be displayed off the centerline, provided that its side lights are combined into one and shall be installed on the centerline of the ship's head and tail, or as close as possible to the centerline of the mast light or ring white light.翘儿双手背在身后，蹦跶起来，现在这样，就很好啦。Those outstanding experts can connect working memory with long-term memory, and can call up a larger capacity of working memory when performing professional activities such as piano and chess that they are familiar with. As Simon and others pointed out in their groundbreaking research report in 1973, chess masters have stored 50,000 to 100,000 chunks about chess games in this hard disk for long-term memory.3. According to the following methods, you can use taskId to obtain the business object id6.4. 2? SYN? Authentication of cookies