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。

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The hillside above the black point-lace of the pine shadows seemed as bright as day and as colourless as snow.

恕偶愚笨，只用直译，把握欠佳，还请指教：在松木幢影点缀的山坡，天色亮似白昼，苍白如雪。

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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。

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He can point out the male paradise whydah with its unusually long black tail feathers.

VOA: special.2009.08.19

So just to hammer home this point, for now, a function really is like a black box.

现在再三强调，让你们彻底了解这一点，一个函数就像是一个黑盒子。

哈佛公开课 - 计算机科学课程节选

She lay down on the bed, her feelings concentrated at the forefront of her mind like an immensely weighted black point, incomprehensible.

NEWYORKER: In Other Rooms, Other Wonders

Even as stores like Wal-Mart, Target and Best Buy, opened ever earlier on the day of Thanksgiving itself, and even as the media alternately celebrates and scoffs at Black Friday, one point goes rarely mentioned: Black Friday is not a shopping event for all of us.

FORBES: Who Really Shops on Black Friday?

He said it was pitch black at the point where he went into the ha-ha.

BBC: Hopetoun House: Man sues over bat walk 'ha-ha' fall