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Gas theory: Flame retardant releases incombustible gas at high temperature and dilutes the combustible gas released from combustion to below the combustion concentration, which has the effect of gas dilution. The dilution of different gases is in the following order: N2 > CO2 > SO2 > NH3.一桩国际神秘大案，巨额美金意外落入由刘小光、文松主演的一家四口手里，平静生活被莫名卷入的神秘大案打破，遭遇各种惊心动魄的险情。无奈之下刘小光、文松父子在怯懦与勇气的挣扎中，开启神秘计划，一家四口各怀“绝技”，决定组合神奇S4侠，开启正义者联盟行动。决定抽丝剥茧，探寻个水落石出，一路不断遭遇各种啼笑皆非的故事，总是在不经意之处步步化险为夷，令人捧腹大笑。随着案情的深入，却发现面对的敌人越来越危险，总是神出鬼没，永远躲在暗处追杀，刘小光用自己的充满魔性的舞步，文松用祖传的萌萌拳一步步将这起跨国大盗制服，S4侠不负众望的在各种逗乐中轻松过关，维系着这座城市最大shoppingmall 的万无一失。2. As a Cheng Yuan who has been engaged in machine learning for more than two years, seeing the computer series you recommended also thinks it is very unreliable. I have read most of the books you recommended. In particular, novice readers are not recommended to read "Introduction to Algorithms" and "Data Mining: Concepts and Technologies". These two books are thick and heavy. Although the content is also good, you will not know the year of the monkey when you finish reading them. What does a novice need? It's getting started! Secondly, have you really finished reading Python Core Programming? This book is not for Python newcomers. It is very thick and difficult. It is very unfriendly to newcomers. And if you just want to be AI, then many parts of this book don't need to be used. Is web development and Django framework really necessary for our AI engineers? No. Xiao Bai has no distinction between key and non-key points in a book. He spent a lot of time learning unnecessary knowledge, which really does more harm than good. Giving guiding and targeted recommendations is responsible recommendation.香荽妹妹不是那种三句好话一哄，就晕头转向的女子，她有自己的主见。《张震讲故事》系列大电影，改编自上世纪九十年代起风靡全国高校的电台恐怖故事集“张震讲故事”，它在80后的高校学生群体中，有着不小的知名度。在宿舍里守着收音机听“张震讲故事”，越听越害怕，但又越来越上瘾，可谓是大家青春中不可磨灭的一段回忆。他心系青鸾公主，一时心神失守、五内俱陷，流下两行男儿泪。《爱国者》的主角是一位美国情报人员，为阻止伊朗研发核武器，他不得不伪装成一家工业管道公司的雇员，进行一项卧底任务。创伤后应激障碍(PTSD)、无能的政府机构以及管道公司繁杂的日常工作都是他需要克服的困难。这位名叫约翰·塔纳(John Tovner)的情报人员由《嗜血破晓》(Daybreakers)男星迈克尔·多曼(Michael Dorman)饰演；《迷失》(Lost)男星特瑞·欧奎恩(Terry O’Quinn)饰演他担任国务院情报主管的父亲；《曼哈顿计划》主演迈克尔·哲努斯(Michael Chernus)饰演他的弟弟，一位年轻的国会议员。《天气预报员》(The Weather Man)编剧史蒂芬·康拉德(Steven Conrad)将担任本剧的导演和编剧。