Covering theory: Covering protection effect. Flame retardants such as boric acid melt at high temperature to form a glassy protective film. On the one hand, it blocks the entry of external oxygen; On the other hand, it diffuses tissue combustible gas to the outside to achieve the covering protection effect on fibers.
丁香儿据说是死狗子的大老婆嫌她在家碍眼，便逼着她出来干活挣钱。
故事讲述梦想成为一名真正医生的朴院长,却在门可罗雀的诊所中苦恼医术和商术,再次经历残酷现实的搞笑故事。本剧改编自张奉洙的同名网络漫画。
白凡这样的人，不用想，刑讯逼供是无用的。
朱尔卡在失去家人后被送进了健忘症治疗中心。当她开始做一些奇怪的梦，这些梦对她来说太真实了，她想知道她现在所在的地方是否就是她认为目前为止的那个地方。
I believe all the students who took the history examination still have the impression that the division of these three worlds is of far-reaching significance to China's diplomacy and is also a great sharing of China's diplomacy to the world. It is of great significance and is a necessary examination site.
To tell the truth, fake when fake sell, no problem, existence is reasonable. If you sell it seriously, you have a lot of problems. Don't ask me why I know so much, count as half of the industry. Many people suspect that I advertise fake products, which is really a bit boring. I have already given such obvious differences, you still can't see it, and I can't help it.
On a tireless quest to find his missing daughter Jody, Nelly will go to any length to uncover the truth and he'll discover more about himself and those around him than he could have ever imagined.
Data processing attack
没想带寡人竟然让韩元帅如此为难，落到如此地步，当真是过意不去
Demand determines the market. In recent years, due to the change of the educational concept of the new generation of parents after the 1980s and 1990s, they are strongly aware that examination-oriented education has certain defects, and the demand for the cultivation of children's comprehensive ability is increasingly apparent. On the other hand, the state has successively issued a series of policies to try to adjust examination-oriented education, and has begun to attach importance to and encourage the development of quality education for young children. All these have directly or indirectly created development space and entrepreneurial opportunities for quality education.
Data poisoning
民国初年，颖城国宝青铜狮子被盗，巡捕刘春和李郎奉命去抓捕文物贩子孟凡平，在抓捕过程中，文物贩子在警察局内部人员的掩护下逃跑。刘春和李郎从此蒙冤被开除警察队伍，两人受了不白之冤，决定重新回到颖城抓捕文物贩子孟凡平。孟凡平为了国宝交易成功，改名换姓潜回颖城，于是一场追逃与反追逃的故事就此展开。几经周折，刘春和李郎通过蛛丝马迹，发现卖大饼的张师傅就是孟凡平，二人开始抓捕，孟凡平一伙又一次逃脱。李郎独身一人开始抓捕孟凡平，几经周折终于抓获了孟凡平，挖出了警察局的分局长一伙，还给了社会一个清白和公道。
走过花季》通过白雪、非儿、小乐、欧阳、袁野等在步入社会后，价值观、爱情观在他们的人生道路上所发生的撞击，讲述一部延续《十六岁的花季》的风格、有浓烈的青春气息和现代色彩的青春剧。《十六岁的花季》反映了我国改革开放十年时期的社会生活，《走过花季》则反映了其后十三年的当代生活。当年那些少男少女们，如今都已经长大成人。白雪成了电视台记者，欧阳在读经济系研究生，陈非儿当了中学教师，韩小乐拿起了照相机。走过花季的他们少了些幼稚，却又多了些烦恼。
The Context class is a context class, and Plus and Minus are implementations for calculation respectively. The code is as follows:
瞿秋白和杨之华的爱情之旅是在上海大学开始的。瞿秋白是社会学系主任，而杨之华则是他的学生，杨之华是从家乡来到上海寻求民主救国的新女性，老师的才华和风度深深打动了杨之华，更让她羡慕的是瞿秋白与妻子王剑虹的举案齐眉，因为人生理想的差异，她对丈夫沈剑龙感到有些失望。于是，她把全部的热情和大量的精力投入到学习和革命中，最终成为了中国共产党一员。
两人对视一眼，都觉得这人不简单，刚刚还要撞天的样子，转眼就下跪求饶，能屈能伸。
可是今日，竟然在花园里再次看到他。
After the real estate speculation boom occurred in Dandong, a small border town, at the end of April, the reporter rushed to the scene immediately and made three timely, responsive and better-than-peer reports through multi-channel interviews, reflecting the investigation ability and enthusiasm of the interface and the reporter in grasping hot events.
Parsing: Most people will first see the ternary operator and then output the result Value is somethin.
