low mass flow rate 低质量流速
The machine has high producing efficiency and low mass rate and un-threshing rate, which is an ideally useful assistant for the farmers.
该机生产效益高，总损失率和未脱净率低，是农民兄弟理想的得力助手。
This very low base-rate means that any precursors of a quake would have to be incredibly reliable if decision-makers are to feel safe in using them to order mass evacuations.
这么低的基础概率意味着，如果要让决策者下定决心，进行大规模人口疏散的话，任何地震前兆都必须极其可靠。
The maximal speed is primarily confined by descending rate when landing mass is low and confined by arresting distance when landing mass is large.
对于最大着舰速度，当着舰质量较小时主要由着舰下沉速率准则决定，当着舰质量较大时主要由拦阻距离准则决定。
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