MapReduce breaks down a problem into millions of parallel computations in the Map phase, producing as its output a stream of key-value pairs.
MapReduce在映射阶段将一个问题分解为数百万个并行计算，并生成键-值对流作为输出。
The construction project of damaged ecosystem in middle-down stream of Tarim river has been brought into Chinese national program of key river management.
我国特有的内陆河——塔里木河中下游受损生态系统建设工程已纳入国家重点大河大江治理项目之中。
The construction project of damaged ecosystem in middle-down stream of Tarim river has been brought into Chinese national program of key river management.
我国特有的内陆河——塔里木河中下游受损生态系统建设工程已纳入国家重点大河大江治理项目之中。
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