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The following procedure is to use the state mode to improve the light. When it comes to encapsulation, the behavior of the encapsulated object is generally preferred over the state of the object. But the opposite is true in state mode, The key to the state mode is to encapsulate each state of the thing into a separate class, and the behaviors related to this state are encapsulated inside this class, so when button is pressed, only the request needs to be delegated to the current state object in the context, and the state object will be responsible for rendering its own behaviors. At the same time, the state switching rules can be distributed in the state classes in advance, thus effectively eliminating a large number of conditional branch statements that originally existed.晚间的医院里，妇产科医师张静芳无法赶回家参加丈夫和孩子二十世纪初，江西某煤矿。煤矿工人整天受矿主的压榨奴役，却连温饱都顾不上。共产党成立后，雷焕觉被派到矿上，利用办夜校的方式秘密组织工人，以期提高他们反压迫、反剥削的思想觉悟。Bestfitting's Kaggle Home Page阿黃（王貽興飾）和Sunny（劉翁飾）是志同道合的好朋友，Sunny原是攝影師，阿黃原是作家，兩人因社會轉變，生活潦倒，人到中年，忽然記起社會打滾多年早已忘記了的夢想。Sunny渴望當導演，阿黃的夢想是當編劇，兩人苦心籌備了一條絕世好橋，就是用現今流行的VR虛擬技術來拍全亞洲第一套鬼片，可惜兩人見完一個又一個監製或者金主，都對他們的電影大綱興趣缺缺。兩人處處碰壁，唯獨一位基金經理覺得VR科技有利可圖，這概念在兩人心裡萌芽，漸漸發酵。夢想偏離航道，加上生活逼人，掙扎之際，Sunny舅父患有精神病，長期妄想妻子回魂，每天準時晚上八點零一分就會發瘋，重演當日妻子爭執跳樓慘劇。兩人靈機一觸，覺得研發驅魔捉鬼的VR App，應該大有可為。二人開始利用驅魔捉鬼的VR App到處招搖撞騙，錯有錯著為不少人解開心結……The distance between adjacent test points cannot be too close, the minimum distance is 2.54 mm.