net accumulated cash flow 累计净现金流量
The micropump performance test includes outlet accumulated flow rate and back pressure test.
其中微泵的性能测试包括出口流量和背压测试。
When accumulative flow method was used to model water quality or dynamics of river with DAMS, field velocity data should be available to calculate accumulated flow curve of various cross sections.
在用累积流量法模拟计算水库型河流水动力水质时，应当用实际测流结果来绘制各计算断面累积流量曲线。
A surplus allows snow to accumulate and for the pressure of snow accumulated over the years to transform buried snow into glacial ice with a depth great enough for the ice to flow.
剩余的积雪能够让雪集成堆，且由于多年的积雪形成的压力，剩余的积雪能够让掩埋的雪变成冰川冰，这些冰川冰的厚度足以使冰块流动。
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