绩效差距分析法 Performance Gap Approach
形效差别 form function distinction
有效差压 effective differential pressure
等效差分输入电容 equivalent differential input capacitance
责任绩效差异 Responsibility Performance Variance
等效差分输入电阻 equivalent differential input resistance
等效差分输入阻抗 equivalent differential input impedance
有效差异性 Efficient Diversity
噪声等效温差 NETD ; noise equivalent temperature difference
有效落差 effective head ; net head
先进的小发动机涡轮的流量小，叶片短，展弦比低，二次损失及叶尖漏泄损失大，效率低，温度高冷效差。
The advanced small gasturbines feature small mass flow ratio, short vanes and blades with low aspect, high second flow and blade tip leakage losses, and low efficiency.
检查MAU的初中效过滤器，当压差报警时对初效过滤器进行清洁或更换；
内容效度评价中，发现36条目与各自的维度相关，而与其他维度不相关（显著低于两个标准差或以上），集合试验和区分试验的成功率达100%。
In Survey of Content Validity, 36 items were founded to be related to their dimensions respectively, but not to others, the achievement ratio of aggregation test and discrimination test was 100%.
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