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外界專家指出，該文件不僅列出政策清單，更提出可行的法律和行政手段來推動改革。
华纳兄弟称派拉蒙最新出价更优厚，奈飞宣布退出收购战
Before agar, microbiologists had experimented with other foodstuffs as microbial media. They turned to substances rich in the starches, proteins, sugars, fats, and minerals that organisms need for growth, testing with broths, bread, potatoes, polenta, egg whites, coagulated blood serums, and gelatine. However, none worked particularly well: all were easily broken down by heat and microbial enzymes, and their surface, once colonized, became mushy and unsuitable for isolating microbes.