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Agar’s low viscosity also makes it easy to pour into Petri dishes, and its transparency permits observation of microbes growing on its surface.7 Also aiding in this is its low syneresis (extrusion of water from the gel), guaranteeing less surface “sweating”: Once a plate is inoculated, bacterial colonies stay in place and do not mix.
，这一点在im钱包官方下载中也有详细论述
爱奇艺去年营收 272.9 亿元，连续四年盈利，推荐阅读同城约会获取更多信息
The pieces of this medieval puzzle are starting to come together. But there are still some questions.
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