换茬轮作 change of crop in rotation 婴儿换巾处 koala bear kare baby changing station ..
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Recently, with change of crop rotation and climate, wheat Scab was extended and aggravated among the areas in China.
近年来，随着轮作制度的改变和气候的变迁，我国部分小麦产区赤霉病呈蔓延加重趋势。
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