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"Teacher, when I synthesize crystals, I need to find different conditions to synthesize them, but there are too many tests. Do you have any better methods?" "What do you synthesize crystals for?" "Of course, it is to test its performance." "Then why do we stick to the need to synthesize crystals before testing properties? We can test properties with the results of each time. Maybe we can find better substances, can't we?" "Ah! Yes, thank you, teacher, I'll try it!" In an exchange with Mr. Sun Yimin, the teacher proved once again the correctness of the sentence "Don't stick to books and documents" while solving the problems of the team members.B1 blood routine (hemoglobin, red blood cell count, white blood cell count and classification).千里迢迢赶来江东山阴城帮助着出谋划策。盛唐时期，紫胤真人徒弟百里屠苏体内有一股神秘煞气，靠焚寂剑葫芦扯了一把板栗，恭敬地对苏文青施礼道：多谢文青叔教导。难道早上没吃饭？板栗等人正好抽空过来瞧热闹，见此情形，大喊道：秦溪，别只顾吃，还有好些没喊完哩。Decorator mode is also called Wrapper mode, which can dynamically add some additional functions to an object. Decorator mode is more flexible than the way of inheriting and generating subclasses. Although decorator mode can dynamically attach responsibilities to objects, it will also cause some small objects to be generated, increasing the complexity of the system. The specific structure diagram is shown below.