The precipitation of atmospheric bacterial particles were investigated with gravity plate method at Xidan district in Beijing downtown.
本工作用平皿沉降法在北京市西单观测了大气细菌粒子的沉降量。
The precipitation of atmospheric bacterial particles were investigated with gravity plate method at Xidan district in Beijing downtown.
本工作用平皿沉降法在北京市西单观测了大气细菌粒子的沉降量。
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