... Secondary Depression 副低气压 Secondary Frequency 次要频率 Secure flight indication system 安全飞航指引系统 ...
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... secondary flow 二次流动 secondary frequency 第二选用频率 secondary fuel oil filter 燃油精滤器 ...
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secondary frequency standard 副频率标准 ; 次级频率标准
Secondary frequency mixing 二次混频
Secondary Pump Frequency Control 二次泵变频控制
Primary outcome will be side effect distress and frequency, and secondary outcomes will be QOL and medication adherence.
主要的结果将是副反应的痛苦和频率，其次是生活质量和药物的持续。
As an example, Finite element analysis and optimization design are made to a voltage transformer of rating primary voltage 35KV, rating secondary voltage 100V, rating frequency 50HZ.
并以额定一次电压35KV，额定二次电压100V，额定频率50HZ的电压互感器为例，进行了有限元分析计算和优化设计。
From the viewpoint of energy saving, the application of variable frequency technology in the secondary pump system was expounded and the energy consumption of variable frequency pump was analyzed.
从节能的角度，阐述了变频技术在二次泵变水量系统中的应用，对变频水泵的能耗进行了分析。
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