71. Science is often hard to read. Most people assume that its difficulties are born out of necessity, out of the extreme comple

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问题    71. Science is often hard to read. Most people assume that its difficulties are born out of necessity, out of the extreme complexity of scientific concepts, data and analysis. We argue here that complexity of thought need not lead to impenetrability of expression. We demonstrate a number of rhetorical principles that can produce clarity in communication without oversimplifying scientific issues. The results are substantive, not merely cosmetic. Improving the quality of writing actually improves the quality of thought.
   72. The fundamental purpose of scientific discourse is not the mere presentation of information and thought, but rather its actual communication. It does not matter how pleased an author might be to have converted all the right data into sentences and paragraphs, it matters only whether a large majority of the reading audience accurately perceives what the author had in mind. Therefore, in order to understand how best to improve writing, we would do well to understand better how readers go about reading. Such an understanding has recently become available through work done in the fields of rhetoric, linguistics and cognitive psychology. It has helped to produce a methodology based on the concept of reader expectations.
   73. Readers do not simply read, they interprent. Any piece of article, no matter how short, may "mean" in 10 ( or more) different ways to 10 different readers. This methodology of reader expectations is founded on the recognition that readers make many of their most important interpretive decisions about the substance of an article based on clues they receive from its structure.
   This interplay between substance and structure can be demonstrated by something as basic as a simple table. Let us say that in tracking the temperature of a liquid over a period of time, an investigator takes measurements every three minutes and records a list of temperatures. Those data could be presented by a number of written structures.

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答案科学论述的根本目的不仅在于提供信息和思想,而且在于它起实实在在的交流作用。作者十分欣喜地把所有的准确数据转化成句子和段落,但这并不重要。关键在于绝大多数读者是否准确地领悟作者的思想。

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