而且在创新药赛道，它既没有恒瑞医药的研发投入强度，也没有百济神州的全球化布局，想要后来居上，难度极大。
It was not immediately clear what caused the crash, but some witnesses said the weather at the time was treacherous.
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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.