该叶色突变性状受隐性单基因控制。

Genetic analysis indicated that the leaf colour mutant was controlled by a single recessive gene.

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目的探讨单侧经椎间孔腰椎间融合术(TLIF)在退变性腰椎疾病的应用。

Objective To study the application value of TLIF in the management of degenerative disorders of the lumbar spine.

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分别用淀粉磷酸单酯及酶法一酯化复合变性淀粉制可食性包装膜，测试并比较其物理性能。

A method of how to make edible wrapping film is described. Also, test and compare this film's physical properties.

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