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―为什么现在会想起呢？7. Ships at anchor should strike the bell for about 5 seconds at intervals not exceeding 1 minute at a time. For ships of 100m or more in length, the horn bell shall be struck at the front of the ship, and the horn gong shall be struck at the rear of the ship for about 5 seconds immediately after the bell. In addition, ships at anchor can also sound three times in a row, i.e. One short, one long and one short, to warn approaching ships to pay attention to the position of the ship and the possibility of collision.说说就好，说说就好……戚继光尴尬道。说话间，大家蜂拥进入内院。高中毕业的吉川菜绪与她最最最最~爱的上原踏进了大学的校园，甜到牙疼的这对情侣虽然没有继续同居但成为了邻居。然而成为大学生的上原立刻就被全校女生追捧，菜绪看在眼里别扭在心里。张嘴吃糖的时间到了旁友们B) Design principles. Many people have listed seven principles, such as single duty principle, opening and closing principle, Richter substitution principle, dependence inversion principle, interface isolation principle, composite reuse principle and Dimit principle. LSP, I elevated it to one of the three cornerstones of the object-oriented paradigm; Single responsibility and interface isolation are mainly used as the principle of responsibility division in object-oriented analysis/OOA, which you can not pay much attention to at this time. Relying on the inversion principle, I throw it away as garbage, because the opening and closing principle or directly "relying on abstract type principle" already contains the essence of relying on the inversion principle, while the dross of relying on the inversion principle is inherited by IoC. Of course, the pullback, I emphasize very much. Therefore, you need to master the abstract dependency principle (OCP), one-way dependency principle (including the learning of callbacks) and the minimum dependency principle (composite reuse principle, Dimit rule).　　还是在这一年，整个中原武林进入了最动荡的时节。大任