在实际中，我们定义，效率为热与功的比值。
And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.
整体设备效能：以百分比评估表示的特定时间里实际生产零件与可能生产零件数的比值。
OEE: Overall Equipment Effectiveness, a measure of actual pieces produced for some period vs. the pieces possible for the same period expressed as a percent.
定义溶洞顶板稳定性安全系数为顶板岩体实际剪切强度与折减到临界破坏时的剪切强度之比值。
The safety factor of karst cave roof is defined as the ratio of actual shear strength parameter to critical failure shear strength parameter in this paper.
方法采用服务目标法对床位实际需求量、标准床位需求量、供需比值进行计算和分析。
MethodsThe factual sickbed demand, standard sickbed demand and the ratio of confessing and requiring were counted and analyzed.
折射率大约等于实际深度与视深度的比值。
The refractive index is approximately equal to the ratio of the real depth over the apparent depth.
目的采用类成本比值法对等级护理实际成本进行核算与分析，为等级护理合理定价提供科学依据。
Objective to calculate and analyze the actual costs of graded nursing, so as to provide a scientific basis for reasonable pricing of graded nursing service.
通过对实际故障变压器油中溶解气体的分析研究，提出了用“无编码比值法”分析和判断变压器故障性质的诊断方法。
Through the analysis and research for the dissolved gas in transformer oil, the "non-code ratio method" is given to analyse and judge transformer fault.
结果表明，当桩身波速准确时，峰-峰点反演精度主要由缺陷实际长度与定义的缺陷临界长度的比值决定。
The results indicate that the precision mainly depends on the ratio of the defect length to the critical defect length defined in this paper when the wave velocity in the piles is accurate.
文中从实际诊断中出发首次将IEC- 60599三比值故障诊断表编写成对应的逻辑编码表，然后应用粗糙集理论构造决策表并对决策表进行约简，最后建立改进的新导则IEC - 60599三比值故障诊断决策规则。
Firstly, a logical diagnostic table of IEC-60599 is presented, and a decision table can be constructed by applying the Rough Set Theory based on the IEC-60599 three-ratio fault diagnosis table.
文中从实际诊断中出发首次将IEC- 60599三比值故障诊断表编写成对应的逻辑编码表，然后应用粗糙集理论构造决策表并对决策表进行约简，最后建立改进的新导则IEC - 60599三比值故障诊断决策规则。
Firstly, a logical diagnostic table of IEC-60599 is presented, and a decision table can be constructed by applying the Rough Set Theory based on the IEC-60599 three-ratio fault diagnosis table.
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