方法：采用MTT方法测定黏液型铜绿假单胞菌生物被膜活菌数，用微量稀释法测定抗菌药物最低生物被膜清除浓度（MBEC）。
Methods:The viable counts of bacteria in biofilm were detected by MTT method. The minimal biofilm eradication concentration(MBEC) was determined by micro-dilution method.
浓度高的苹果醋有助于皮肤中坏死、衰老细胞的清除。
The heavy concentration of apple cider vinegar results to peeling off dead skin cells.
当传感器发现面板表面的灰尘浓度达到一定水平时，自我清洁技术可以将其清除。
The self cleaning technology can repel dust when sensors detect concentrations on the panel's surface have reached a critical level.
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