最终，人们试图改进莱斯·保罗的模型，应该说，是对其进行改良。
So eventually, people tried to improve on Les Paul's model, well, to modify it I should say.
它们都用磷酸甘油醛脱氢酶基因的片段作为加载控制来进行改良。
They were modified with fragment of the glyceraldehyde phosphate dehydrogenase gene (GAPDH) as a loading control.
目的：对器官内淋巴管铸型方法进行改良。
Objective To improve the method of casting mould of lymphatic vessel in organs.
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