如果中国想从全球主要玉米产区进口玉米，就应协调其监管程序，以便能接受这些产区的玉米。

If they want to import corn from the major corn producing areas of the world they should synchronize their regulatory process so that they can accept the corn being grown in those regions.

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采用地统计及地理信息(GIS)技术研究了山东省淄博玉米产区土壤砷含量空间变异性及其分布特点。

Spatial variability and distribution of soil arsenic in Zibo maize producing area, Shandong Province were studied using geostatistics and geographic information system (GIS) techniques.

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玉米矮花叶病是玉米生产上的一类重要病毒病，在世界各玉米产区都有发生，长期以来一直严重影响着玉米的产量和质量。

Maize Dwarf Mosaic disease is a kind of serious virus disease in corn production. It occurs in the corn producing areas all over the world.

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