- 重点词汇
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目的转染骨保护素 ( OPG ) 基因至Beagle犬 骨髓基质细胞 ( BMSCs ) 中,并检测其表达能力,为基因工程技术治疗牙周病提供物质基础.
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Callus bone mineral density increased continuously in normal beagle fracture healing models.
2周时骨折端骨密度达到正常侧水平.
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Most fly life, wearing a feathered forelimbs grow wings, a hard beak.
大多数飞翔生活, 身披羽毛,前肢演化成翅膀, 有坚硬的喙.
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A pigeon probably has his Huff Duff in that incrustation above his beak.
鸽子也有它的无线电高频测向仪,也许就是它喙上部的那个硬包吧.
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The male is distinguished ( from the female ) by its red beak.
由喙部为红色这一特点可以辨认出其为雄性 ( 以区别于雌性 ).
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Nuts ellipsoid to cylindrical, ca. 2 mm long, smooth, apex beaked.
坚果椭球形至长圆柱形, 长约2毫米, 光滑, 顶端具喙.
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Most of the other fossils come from rhynchosaurs ( parrot-beaked reptiles ).
其他大部分化石来自剪嘴龙 ( 嘴像鹦鹉的爬行动物 ).
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