PSB是什么意思

PSB

程序说明块;公安局(Public Security Bureau);

例句:

1、

The results show that the three plant growth hormones can accelerate the growth of PSB.

结果表明这三种植物生长激素对光合细菌的生长均有促进作用.

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2、

Conclusion: 2.5 % PSB was the best addition.

光合细菌适宜添加水平为2.5%.

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3、

Our findings show that PSB could improve survivability, promote growth and purify water quality.

结果表明:PSB具有提高家禽、水产动物成活率 、 促进生长、净化水质的作用.

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