根据收集到的资料，计算得出全国主要作物的净灌溉需水量。

Based on the data collected in this study, net irrigation water requirement of main crop in china has been gotten.

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《牛津大词典》主编约翰·辛普森在一份声明中说：“我们一般都是根据收集到的资料证据来收录新词。

Words are included in the dictionary on the basis of the documentary evidence that we have collected about them.

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其次针对该校的日常业务流程，分析数据来源及数据处理流程，并根据收集到的资料设计适合该校的日常设备管理系统。

Base of the ordinary need of the school, I analyze the origin of the data and the work flow, collect data from the ordinary work, and choose the suitable software to design this system.

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