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目的：应用蟾蜍坐骨神经腓肠肌标本，观察肌内注射质粒DNA后不同时间对肌肉收缩功能的影响。
Aim: To investigate the effects of injecting plasmid DNA into toad skeletal muscle on its contractility.
youdao
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目的：应用蟾蜍坐骨神经腓肠肌标本，观察肌内注射质粒DNA后不同时间对肌肉收缩功能的影响。
Aim: To investigate the effects of injecting plasmid DNA into toad skeletal muscle on its contractility.
youdao