A hole specified for precise positioning of printed board production and component assembly.
Composite Reuse Principle (CRP) is to use some existing objects in a new object to make it part of the new object. New objects reuse used functions by delegating to these objects. In short, it is necessary to use synthesis/aggregation as much as possible and not inheritance as much as possible.
时光在埋头备考和与朋友们的夏日闲荡中流走，他决心找回这个美丽的陌生女孩。
屡告捷，即使在工作上一帆风顺，两人都还是大光棍一个，藉由使用交友网站Match网站，他们都找到了自己迷恋不已的对象，认定可长相厮守，万万没 想到的是，这二位挚友竟然连私事都默契十足，爱上同一人:事业有成女强人的萝拉（瑞茜·威瑟斯彭 Reese Witherspoon 饰）。
Article 10 After the promulgation and implementation of the minimum wage standard, if the relevant factors stipulated in Article 6 of these Provisions change, they shall be adjusted in due course. The minimum wage is adjusted at least once every two years.
「神秘事件公司」成员一行人决定放下忙碌的侦探工作，来到热带岛屿好好度假。没想到，他们发现这座小岛不仅似曾相识，而且还被突然出现的僵尸大军追得到处跑！这次的谜团真相，究竟只是狡猾罪犯在装神弄鬼，还是真的有看不见的超自然力量在作祟？
B) It is suggested to start from a simple scene and discover or design a certain pattern by yourself. From this, you can understand how the model solves the problem. In this way, the model becomes your own thing, and you will not have the problem that it is easier said than done. All design patterns are just the application of basic principles and concepts in specific occasions. You may not know the name of a design pattern, but you know all its advantages, disadvantages, variants and applications. Seeing mountains is not mountains, seeing water is not water.
(1) Visibility;
** Gel
随着粉丝数量越来越少，两位旅游视频博主开始围绕一位超级主持人开启了新的策划，而这位超级主持人可不仅仅因此而满足
小心。
Considering performance, the whole program only needs to create an instance once, so performance will not have any impact.
不知道的人看了，还以为他们是一家子。
It will be slow to start fishing.
NBC宣布一口气续订《芝加哥急救 Chicago Med》三季。
游戏资深少女言小语为妹妹赚取学费而成为恋爱游戏《听，心在跳》的内测玩家，
Step 4: Final Implementation Means
讲述北周一代贤臣独孤信幼女独孤伽罗，凭着自己的聪慧和毅力，一直顽强地生活在乱世之中，与杨坚的感情，从一开始的政治婚姻，渐渐演变到后来的两心相知，伉俪情深的两人最终共同联手，统一了全国，成为了大隋的开国帝后。
董佳音和夏鸣涛结婚三年都没有要孩子。董佳音是电视台社会新闻节目的制作人，夏鸣涛是妇产医院的主任医生，两人的事业都正处于一个上升期，无暇顾及生孩子的事。夏鸣涛的母亲见还抱不上孙子，一急之下从老家赶来，亲自监督小两口要孩子。结果婆媳之间频繁产生摩擦，懂事的董佳音体谅婆婆抱孙心切的心情，委曲求全，而夏鸣涛夹在中间，既心疼妻子，又顾念老母，左右为难。 蓝氏贸易的老板蓝天和妻子徐雅莉夫妻十年，伉俪情深。当年蓝天因打架伤人而坐牢，刑满释放，徐雅莉不惜跟娘家彻底断绝关系而嫁给了蓝天，两人一无所有地来到当地，患难与共，历尽艰辛，终于有了现在的财富和地位。徐雅莉很爱孩子，蓝天就想给她一个孩子，无奈却检查出不孕。痛苦的蓝天在夏鸣涛的帮助下进行各种治疗。 董佳音在一次采访中救助一个早产孕妇，结识了刚刚回国到妇产医院工作的周一敏。周一敏高超的医术令董佳音钦佩。周一敏其实是夏鸣涛原来大学时期的恋人，但是周一敏在毕业的时候却因为贪慕虚荣，抛弃夏鸣涛，远嫁国外。但是周一敏的婚姻并不幸福，她又被丈夫抛弃，感情遭
大苞谷正斜依在床上养神呢，见两人进去，先是一愣，然后立即背转身躺下，赌气不理。
