Each object has its corresponding state, and each state corresponds to some corresponding behaviors. If an object has multiple states, there will be many behaviors. Then the judgment of these states and the behavior completed according to the states will lead to multiple conditional statements, and if a new state is added, the existing code needs to be changed. This kind of design obviously violates the principle of opening and closing, and the state mode is used to solve such problems.
Having said so much, summarize the application scenarios of the three adapter modes:
宁小爱与男友林敏的爱情完败给现实，与亲妈则因“三观”不合关系日益紧张，又遇上日常被同事黑是“天天更年期”的上司林美丽……在“剩女”的五彩斑斓自黑里，小爱重构对感情和生活的认知。
104.1/85.5-1=21%
Load Cache
电视剧《我和我的儿女们》聚焦新时代都市家庭关系的转型升级，讲述了退休中学历史教师钱广与四个儿女在错综复杂的家庭中发生种种啼笑皆非的故事，书写新时期父子（女）两代人的成长，展现各个年龄段不同群体的进步。
阿西和李欣是高中同学也是相好，他们每周末趁李欣父母不在家时约会。不料事情被某同学告发，阿西愤而报复，失手将其打死，在1985年的一个周末被捕入狱。一次误会让李欣认识了拉拉，拉拉每个周末都邀李欣看电影，渐渐地他们成为情人。1993年阿西出狱了，他的突然出现给李欣的感情世界刮来了一股飓风。阿西打伤了拉拉，受伤的拉拉被晨晨救起，并被介绍到她的丈夫张驰所组建的摇滚乐队中任主唱。张驰和他的乐队成员的生活笼罩在焦躁、迷惘的情绪中，他们都面临着精神、事业和情感的困境。李欣说：“我们把自己当成社会上最痛苦的人。后来我
3, Civil Aviation Pilots Recruitment Political Conditions:
嘉亚和嘉莉跟着父亲上山捉蛇，在森林里遇上三名恶棍阿积、查理和朗尼，苏嘉亚惨被害死了，她父亲痛心疾首，誓要为女儿报仇。仇恨令到不可能的事发生嘉莉变成毒女，谁吻过她都会中毒身亡。嘉莉的未婚夫也是名恶棍，一次企图对她不规矩，被陈丹救了，接着两人相爱，但是嘉莉的有毒之身会害死她身边的男人，只有当杀害她姊姊的凶徒死后，她的诅咒才可以解除。嘉莉当上了跳舞女郎，逐一追捕凶徒，朗尼、阿积和查理都先后被她所杀，大仇报完后，嘉莉也回复普通女子的身份，跟爱人陈丹有情人终成眷属。
The police continued their search around. 200 meters south of the house was an abandoned pumping station. After careful investigation of the wall to the west of the pumping station, the investigators made another major discovery: some dripping and scratching blood. The blood was covered with loess, but traces could still be seen. Following the blood, the investigators carried out a blanket investigation to the south and found a hidden cave 100 meters away from the pumping station. The terrain was relatively partial and it was difficult to find. When the investigators approached the entrance of the cave, dripping blood appeared on the rock wall under the entrance of the cave. Intuition told the investigators that the cave would uncover the mystery of the disappearance of the couple. They carefully entered the cave to explore, From the outside to the inside, the space in the cave gradually widened. There was a large amount of corn straw on the ground. The corn straw was piled thickest in the northwest corner. Investigators moved the straw upward and found a relatively small foot. After another move, they found two other relatively large feet. Preliminary analysis showed that one man, one woman and two bodies were inside. After identification, the two bodies in the cave were newly married couple Sun Gang and Li Hong.
[Machine Learning] Multi-classification Learning
平凡的中学生鹿目圆（悠木碧 配音）有一个美满的家庭，在生活中她是个性格温顺又有爱心的好孩子。转学生晓美焰（齐藤千和 配音）的出现打破了小圆平静的生活，这个性格酷酷又体弱多病的黑长直少女似乎对小圆有着什么难言之隐。命运中的相遇出现了，小圆在路边救下了一只浑身是伤的奇怪动物，没想到这只动物居然会说人类的语言。它告诉小圆它的名字叫丘比（加藤英美里 配音），并且提出了一个特殊的要求，它希望小圆能够和它签订契约成为魔法少女。
从并未选择直接由魏国方向，或者南方的楚国方向进攻。
绿和三岛并不知道，他们之间的羁绊还远远未曾结束……
公元前227年，卫国军队在凤凰山遭遇梁军伏击，血战之后惟有受重伤的卫国大将军（王力宏 饰）和装死的梁国士兵（成龙 饰）二人存活。将军有着统一诸国的宏图壮志，而小兵只想过自己的太平日子。小兵活捉大将，企图带着大将回到梁国，换良田五亩从此过上永无兵役的幸福生活。从凤凰山到梁国的路上，前有无数未知风险，后有卫国神秘小队追踪，小兵靠着美好信念的支撑以及自己的小聪明一次次化解危机，然而，在到达梁国之时小兵却出人意料的放大将返回卫国。小兵在江畔目送大将驾小舟渐渐远去，可是他并不知道在身后梁国的土地上，发生了一场天翻地覆的变化……
Content://: content data format, followed by the content to be read.
1949年的北京，国民党特务频繁作乱，一场大火烧掉了北平电车厂，让北京公共交通受损。战斗英雄出身的孙光大转业到公安局，与经验丰富但又一身坏习气的旧警察钱有根一起调查此案。在钱有根的帮助下，孙光大破获了一个一个重大的案件；孙光大帮助钱有根解救了赵春花，成立了家庭。钱有根的弟弟钱有财的死在孙光大、钱有根两人心中埋下化不开的误会。孙光大想解开这一切的误会、给钱有财平反，唯有抓住当事人张友一，可张友一异常的狡猾，数次逃过警察的搜捕。最后，孙光大终于抓住了张友一，钱有财的冤屈得到平反。钱有根经历一系列的波折，最终喜欢上了“对头”孙光大的儿子孙卫国，把孙卫国当成了自己的女婿、儿子，并把自己的破案绝学传授给孙卫国。孙光大和钱有根在国庆节的时候，终于把酒言欢、找回了兄弟情。
V-shaped socks are not only beautiful, but also convenient to wear and take off.
