修辞学的

section summarizes simply innovations and inadequacies in this dissertation,specially,it introduces Lyotard'pragmatic thought,who defends the legitimacy of scientific knowledge in using the methods and idea of pragmatics,reinterprets modern scientific crisis,social variation and cultural symptoms,and holds extricating the right of legitimacy from metanarrative,deciding it through gamers and discourser,then,setting up a foundation for legitimacy of scientific knowledge.This inspires the new study about scientific rhetoric.

结语部分简单总结了本论文在写作上创新的地方和不足之处，特别是着重介绍了利奥塔把语用学的方法和观念运用于辩护科学知识的合法性，用科学知识语用学来重新解释当代的科学危机、社会变异和文化症状，主张把合法性的权利从"元叙事"的束缚中解脱出来，而由游戏者和对话者本人去决定，从而对科学知识的合法性问题进行奠基，这启发了新的"科学修辞学"问题的研究。

Convention T, linguistic formal theory, mention and use, self-reference, linguistic paradox are both the components of philosophical metalinguistic theory, which not only has direct effects on the establishment of the theory of linguistic metalanguage but also as a principle of modern methodology set significant effects on the linguistic turn of modern philosophy as well as the western humanities and social science.

首先，对&元语言&、&对象语言&和&语言&等术语进行辨析，简要概括元语言的特性和元语言理论的研究现状，阐明&方法论原则&的含义；第二，对哲学的元语言理论的源流进行梳理，并阐述其内容和方法论意义；第三，以语符学、结构语义学、元语用学、元语言功能学说为中心，阐明语言学的元语言理论及其对哲学的元语言理论的继承与发展；最后，考察修辞学领域的元语言研究，并结合汉语实际，分析元语言修辞现象。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。