因此有可能通过遗传改良提高小麦出粉率、改善面粉色泽。
It is possible to improve flour yield and flour color through genetic improvement.
结果表明，在这一优势群的优良自交系中，多数数量性状遗传变异较大，具有进一步改良提高的潜力。
There was large genetic variance for most traits investigated in the lines from the exotic heterosis population.
在过去50年里，改良的农业科技技术显著提高了农作物的产量，耕种面积扩大了12%。
Over the last five decades, improved farming techniques and technologies have helped to significantly increase crop yields along with a 12% expansion of farmed land use.
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