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Next, we will talk about the responsibility chain mode. There are multiple objects, each of which holds a reference to the next object, thus forming a chain on which requests are passed until an object decides to process the request. However, the sender does not know which object will process the request in the end, so the responsibility chain mode can be implemented to dynamically adjust the system without concealing the client. Let's look at the diagram first:　　他们拥有自己的信仰，坚持着它，忠实着它。他们在智力、信念甚至人格上都难分伯仲，这是一场强者间的斗争……最终正义取胜！两位优秀的情报人员终于可以在古稀之年对月品茗，相视一笑。1939年冬，日军进攻巴山县城，国民党警卫营营长徐绍华奉命抵挡，掩护大部队撤离，农村妇女葛秋月进城时差点遭到日军强奸，幸得徐绍华相救。警卫营在抗击日军中，几乎全军覆没，徐绍华灰心丧气，葛秋月带来巴山游击队从后方袭击日军，救出徐绍华。巴山游击队长朱明在战斗中牺牲，临终交托秋月和日军作战到底。日军扫荡葛家村，葛秋月家破人亡，痛不欲生。但是秋月没有被打倒，她带着游击队继续和日军作战。葛秋月在战斗中，把抗日队伍发展壮大，成立了猎豹抗日支队，成功地阻击了日军的多次攻占，保护了巴山县老百姓的生命安全，谱写了一曲曲悲壮的民族赞歌。(1) ships engaged in the laying, maintenance, lifting and fishing of navigation aids, submarine cables or pipelines;Is there a simpler way?The first stage of Franklin's deliberate practice: