The other way to think about it is divergence is the source rate, it is the amount of fluid that is being inserted into the system, that is being pumped into the system per unit time per unit area.
另外一个理解方法是，散度是源头的“冒出率”，它是流体往系统输入的量，也就是单位时间内，单位面积新冒出的流体。
Result:The results showed that suitable nitrogen source rate can improve level of fermentation.
结果：试验表明，合适的氮源比例能够提高发酵水平。
Result:The results showed that suitable nitrogen source rate can improve level of fermentation.
结果：试验表明，合适的氮源比例能够提高发酵水平。
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