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The above design error stems from confusing the hierarchical structure of "role" with that of "person" and mistaking "Has-A" for "Is-A". The specific solution is to abstract a role class:Perfect personal data一九四一年冬，硝烟不散的上海和重庆，陈山被迫卷入风起云涌的谍海漩涡中，他经历与同胞并肩作战，与日谍殊死搏杀，最终一步步成长为坚强勇敢的爱国战士，用热血和青春，在烽烟中砥砺前行！A low temperature stop valve, Unlike Example 1, Comprises a valve body 1 and a valve cover 2, A valve stem 3 is arrange in that valve body 1, One end of the valve stem 3 is provided with a valve disc 4, The other end of the valve stem 3 is provided with an adjusting handwheel 5, A low portion of that disc 4 is provided with a guide sleeve 6, The guide sleeve 6 is fixed by means of a connecting piece and a spring pad 8, Between that disc 4 and the guide sleeve 6 is provide a valve seat 7, A packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, the O-ring 10 is further arranged at the upper part of the packing assembly 9, the upper part of the O-ring 10 is provided with a packing gland 11, the valve body 1 is provided with an arc-shaped end face 12 which forms a line seal between the valve body 1 and the valve seat 7, and the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41, the packing assembly 9 comprises a flexible graphite packing layer.主人公是一位有着极为罕见完美记忆的警探Carrie Wells,由派琵·蒙格玛丽(Poppy Montgomery)扮演.Carrie所经历的每个地点,每次对话,每个伤心与快乐的时刻都牢牢地嵌在了她的脑子里,她无法忘记这些,但只有一件事是例外,她姐姐很久以前被谋杀的细节.在经过了一段时间的休息后,Carrie感觉回到工作中对她来说是无比正确的选择,但在解决一起凶杀案的时候她不得不和前男友兼自己的搭档NYPD警探Al Burns (迪伦·沃尔什)再次共事.他们这一小组的成员还包括Al的搭档Mike Costello (Michael Gaston),队中的新手Roe Saunders (凯文·兰金)以及有些小聪明的Nina Inara (Daya Vaidya).虽然对Al心存复杂的感觉,但Carrie还是决定加入他的小组去专门解决凶杀案,当然,她更希望借此能解决自己姐姐的被杀之谜,她所要做的,就是"不可遗忘".　　雪珂的苦日子开始了，此后至刚娶妾生子，但内心一直痛苦于未能得到雪珂的心。雪珂但求安稳度日，然而当她发现新到府上来的小丫头竟是自己的亲生女儿，且亚蒙又从新疆回来寻找她企图带她离开时，雪珂的生活再起波澜。清朝康熙年间，内务府总管纳兰明珠之子纳兰容若在皇陵拓碑时遇到了顺治帝陪陵的妃子孔四贞。一个是浊世公子，一个是活死人，然而容若火热的情感，很快征服四贞，四贞独特的魅力也俘虏了容若，两人深深地相爱了。当朝权臣鳌拜为拉拢民主，主动做媒，将外甥女卢雨蝉许配给容若，卢雨蝉纯真无邪，正是容若良配，而容若有了四贞后，心里再容不下别的女子。康熙与四贞自幼相识，感情很好，为了四贞的幸福，康熙竭力帮助她和容若，但容若和四贞的事最终被鳌拜知了……