橙色的塑料盒里装的是凝胶电泳，这是一种根据大小为dna测序的仪器。
And the orange plastic thing runs gel electrophoresis, a way to sort DNA strands by size.
主要观测指标：紫外分光光度计检测吸光率（A值）及纯度、琼脂糖凝胶电泳、目的基因测序。
MAIN OUTCOME MEASURES:Ultraviolet spectrophotometer absorbance (A) and purity, agaroses gel electrophoresis, and objective gene sequencing.
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