本文用八倍体小黑麦与普通小麦进行正反交。
In this paper, the reciprocal cross was made between octoploid triticale and common wheat.
通过核型研究，分析了节-硬-偏八倍体的遗传组成。
Genetic construction of JYP octoploid were analysed by karyotype.
在普通小麦的遗传背景下导入了偃麦草的染色体组而形成的新的中间类型八倍体小偃麦。
We introduced the genome of Thinopyrum into common wheat, and formed the new intermediate type of octoploid Trititrigia.
利用该技术揭示水稻品种的起源、遗传背景和亲缘关系，把我国八倍体小黑麦划分为两种不同类型。
This technology discloses the origin, genetic background and relative relation of rice breeds and divides Chinese octoploid Triticale into two different types.
从那时起，Seeman和其他一些化学家开始向人们展示他们可以用DNA来构造极微小的东西。例如，比头发细1000倍的立方体和八面体。
Since then, Seeman and other chemists have shown that they can use DNA to build really simple shapes such as cubes or octahedrons that are 1,000 times thinner than a human hair.
从那时起，Seeman和其他一些化学家开始向人们展示他们可以用DNA来构造极微小的东西。例如，比头发细1000倍的立方体和八面体。
Since then, Seeman and other chemists have shown that they can use DNA to build really simple shapes such as cubes or octahedrons that are 1, 000 times thinner than a human hair.
从那时起，Seeman和其他一些化学家开始向人们展示他们可以用DNA来构造极微小的东西。例如，比头发细1000倍的立方体和八面体。
Since then, Seeman and other chemists have shown that they can use DNA to build really simple shapes such as cubes or octahedrons that are 1, 000 times thinner than a human hair.
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