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Filed documents shall include light drawing documents, numerical control drilling documents, PCB documents and text documents.Policy pattern refers to defining a series of algorithms and encapsulating them. However, policy pattern not only encapsulates algorithms, but also encapsulates a series of business rules. As long as these business rules have the same objectives, we can use policy pattern to encapsulate them.Visitor mode is to encapsulate some operations applied to a certain data structure. Once these operations need to be modified, the data structure that accepts this operation can be saved unchanged. Visitor mode is suitable for systems with relatively stable data structures. It reduces the coupling degree between data structures and operations acting on data structures, making the set of operations relatively free to change. The specific structure diagram is as follows:3. Fines. If the employing unit still does not reissue the wages or compensation owed to the employees within the time limit of the labor and social security administrative department, the labor and social security administrative department may, according to the circumstances, impose a fine of 2-5 times the amount owed for each person.　　小提琴的制造者，是十七世纪意大利的乐器大师（卡路•施齐Carlo Cecchi 饰 ）。妻儿死去，难抑悲伤的他，把爱人的血涂在小提琴上，从此琴就辗转流落到了奥地利。一个练琴的小男孩为了这把琴痴迷，直至倒落在舞台上。1. When two motor boats meet in opposite or near opposite directions, thus posing a danger of collision, they shall each turn right and thus each pass on the port side of the other ship.受医疗制度改革的影响，曾经显赫一时的大学医院——帝都医科大学第三医院因医疗状况恶化和工作压力过大导致卓越出众的医师纷纷离职，人才流失造成医院的发展岌岌可危。在此背景之下，不属于大学医院和医局体制的自由医生应运而生。美丽性感的外科医生大门未知子（米仓凉子 饰）便是自由医生的一员，她被人称作“Doctor X”，讨厌拉帮结派和医疗腐败，有如一朵盛开在泥沼中的带刺野玫瑰。未知子的到来给了这间迂腐凝滞的一前所未有的冲击，而她过硬的外科技术和理论知识又令同侪钦佩与嫉妒。战战兢兢的新人森本光（田中圭 饰）负责带领这名曾涉足海外的传奇人物。未知子将迎战各种疑难杂症以及无形的阻碍……