Black point of wheat existed widely, but different varieties (strains) varied in its incidence.
小麦黑胚病普遍发生，不同品种(品系)有差异。
Quality measurements were made on subsamples of black point-affected and black point-free grain from 5 wheat samples.
对5个小麦品种有黑胚病症状籽粒和无黑胚病症状籽粒的样品分别进行品质分析。
It is still the key point and hard job for wastewater pollution control of paper industry though the treatment of wheat straw pulping black liquor has achieved considerable successes.
指出麦草浆黑液污染治理近年虽已取得不少成绩，但它仍是造纸工业废水污染防治的难点及重点。
It is still the key point and hard job for wastewater pollution control of paper industry though the treatment of wheat straw pulping black liquor has achieved considerable successes.
指出麦草浆黑液污染治理近年虽已取得不少成绩，但它仍是造纸工业废水污染防治的难点及重点。
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