以下为句子列表：
英文: Because an investor cannot directly buy or sell an index, index futures and options contracts are cash settled by allocating a dollar amount to each index point.
中文: 因为投资者不能直接购买或出售指数，指数期货和期权合约就采取给每个指数点规定一定的货币价值的方式进行现金结算。
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英文: It is possible to create an index on one or more columns of a table, and each index is given a name.
中文: 我们可以在一张表上建立一个针对单个或多个的栏目索引，并且每个索引可以有它自己的名称。
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英文: The evaluation model could strengthen the antagonism efficiently, quantitize each index proportion, strengthen the operation during the technique evaluation process, overcome the chanciness of traditional technique evaluation result, and increase the reli
中文: 该评价模型能有效增强考核中的对抗性，量化了各项指标的权重，增强了技术评价过程中的可操作性，克服了传统技术评价结果的偶然性，提升了技术评价结果的可信度。
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