是重要的农业区域，是粮棉主要产区。
Is an important agricultural region is the major grain and cotton producing areas.
简要介绍燕麦的主要产区、种类、产量和营养价值。
The main produce area, sorts, output and nutrition for oats were introduced briefly.
美国、阿根廷、澳大利亚和俄罗斯是世界上小麦的主要产区。
The USA, Argentina, Australia and Russia are the main world areas of wheat production.
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