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.
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“坚持精准扶贫方略，用发展的办法消除贫困根源”，从打赢脱贫攻坚战到巩固拓展脱贫攻坚成果，“一把钥匙开一把锁”，一以贯之。
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