结果表明：10 3 倍土壤稀释浓度为分离放线菌的最佳土壤稀释浓度；
The results showed that 10+3 times of soil dilution is the best soil diluted concentration for Actinomyces isolation.
同时，对在稀释浓度和实际浓度条件下测定污泥指数的两种方法进行了分析比较。
Two methods determining the sludge volume index under diluting sludge concentration and practical sludge concentration are analysed and compared.
如果稠密的黏液可以被稀释成低浓度的，气管、细支气管和肺中的细毛就都能把它向上推送，咳嗽就不会发生。
If the thick mucus could be diluted into a more WATERY consistency, it would be wafted upward by the tiny hairs in the wind pipe, bronchioles, and the lungs. Coughing would not occur.
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