1) frequency security
频率安全
1.
Study on united under-frequency load shedding scheme of China Southern Power Grid based on frequency security quantitative analysis;
基于频率安全定量分析的南方电网联合低频减载方案
2) frequency security margin
频率安全裕度
5) mounting frequency
安装频率
1.
Numerical calculations of power flow for practical floating raft isolation system are carried out to explore the effects of mounting frequency on the flexibility of supporting stru.
根据工程中两机组浮筏隔振系统功率流理论计算结果 ,着重探讨安装频率与支承结构柔性耦合作用及其对隔振效果影响。
6) unoccupied frequency
安静频率
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条