相反，“巴西农业研究公司”采用的是一个“系统方法”，该机构科学家称之为：所有干预措施共同努力的成果。

Rather, Embrapa’s was a “system approach”, as its scientists call it: all the interventions worked together.

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本文简要介绍了支持精准农业系统的主要关键技术、研究应用现状和发展趋势。

The primary supporting techniques, present research and application situation and developing tendency of precision farming are briefly introduced in the paper.

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研究开发性能良好的输送、分苗、落苗系统，提高投钵频率已成为农业机械领域一个热点问题。

Researching the high performance transporting, metering and dropping system to boost the drop frequency has been a hotspot of farming machine.

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