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5. There must be a probation period.If I were to implement a pizza ordering system, I would definitely write the code like this, because this kind of code can be written subconsciously without consuming our brains. However, take a closer look at this code: the purpose of this method is to order pizza. However, the code for ordering pizza also needs knowledge about the production of pizza. This method must know all pizza. Worse still, if the types of pizza are to be expanded or pizza with poor sales volume are to be deleted in the future, then the code for ordering pizza will be modified. It looks very bad and should be revised. Our first step must be to separate the code for producing Pizza from the code for ordering pizza, because you should not let the code for ordering Pizza know the logic for producing pizza, but should hand over the logic for producing Pizza to a special type. In this way, we can cope with future changes-if we want to add or delete pizza, we can directly modify the producer of pizza without affecting the logic of ordering pizza.影片讲述了特勤陈子默在执行任务的时候发现自己的恋人邓潇潇的身份十分可疑，就在他要调查清楚此事的时候意外频发，恋人的意外死亡，朋友的出卖，同事的怀疑让他身陷囹圄。陈子默并不知道，所有的意外都是为了他的特殊身份而编制的一个大网。陈子默背负各种压力成为了一位孤胆英雄只身对抗幕后的黑手。南瓜性子跟他爹相似，儒雅端方。BIM has been gradually applied in subway projects, and has achieved good results in information construction, reasonable arrangement of construction procedures, speeding up construction speed, saving project cost, etc. The application of BIM technology makes many people see its advantages, thus promoting its further development and the introduction of BIM related technologies.单位 支持 彼得·博伊德（彼得·博伊德）（由特雷弗·夏娃（Trevor Eve）饰演）是侦探和科学家多学科警察团队的领导者，酷案小队（Cold Case Squad），它使用现代方法和新技术调查未解决的旧谋杀案，而这在原始案子中可能是没有的。 在侦探总监彼得·博伊德（特雷弗·夏娃（Trevor Eve））的带领下，感冒案小队调查了尚未解决的严重罪行。 凭借最新的技术进步和老式的辛勤工作，心理探查者格蕾丝·弗利（Sue Johnston），法医病理学家弗兰基·沃顿（Holly Aird），侦探警官梅尔·西尔弗（Claire Goose）和侦探警长斯宾塞·乔丹（Wil Johnson）唤醒了死者 寻找线索和答案。