Now, the Duffy blood-group protein is essentially necessary for Plasmodium vivax to get into the red cell.

现在间日疟原虫必须依靠达菲蛋白进入红细胞。

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With more species of grazers at work, over time, algae were cleared off more efficiently and grazers increased in number, Duffy says.

工作的清道夫种类越多，海藻清除得越有效率，而清道夫也随之增多，Duffy说。

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The research team, led by Duffy and advisor Charles Czeisler, studied the sleep cycles of 52 women and 105 men for two to six weeks in the lab.

达菲和查尔斯·蔡斯勒带领的研究团队在实验室对52名女性和105名男性的睡眠周期进行了2 - 6周的研究。

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AJ Duffy is president of the United Teachers Los Angeles union.

VOA: special.2011.05.05

Ms. JENNIFER DUFFY (Senior Editor, Cook Political Report): We're seeing an almost absurd number of ads.

NPR: In Minn., A Tight Race For U.S. Senate

But Duffy says conflicting polling data makes it unclear who Barkley is hurting the most.

NPR: In Minn., A Tight Race For U.S. Senate

Thomas Duffy, 59, says CBT helped him conquer his fear of bridges and tunnels.

FORBES: Magazine Article