A branch can form a "y"; a blade of grass can be an "I." Have older children spell words.
树枝可以形成字母“y ”；一根草可以形成字母“i ” .可以让更大点的孩子拼写单词。
DNA molecule encoding mutant prepro-neuropeptide Y, a mutant signal peptide, and uses thereof.
编码前神经肽Y原突变体，一种信号肽的突变体，的DNA分子及其应用。
On the assumption of "Y", a three-dimensional model is obtained for the linear acoustic combustion in a rocket motor.
通过提出一个“Y假设”，本文求得了一个固体火箭发动机线性声振荡燃烧的三维理论模型。
On the assumption of "Y", a three-dimensional model is obtained for the linear acoustic combustion in a rocket motor.
通过提出一个“Y假设”，本文求得了一个固体火箭发动机线性声振荡燃烧的三维理论模型。
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