The gift is many times larger than any the system has received before, and amounts to one-eighth of the $800 million annual operating budget.
这个礼物是该系统之前收到的捐数额的数倍,占到了年度经营预算8亿美元的八分之一。
In order to reduce experimental amounts, proportioning design of a new operating electrolyte with high water content (48%, mass fraction) was optimized by simplex method.
为了减少工作电解液的配方试验工作量,利用单纯形法对高含水率(48%,质量分数)电解液进行试验设计。
In aerobic wastewater treatment systems, large amounts of sludge are formed and the separation, dewatering, treatment and disposal of this sludge represent major investment and operating costs.
在污水的好氧生物处理过程中会产生大量的剩余污泥。
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