1) minimum freguency limit
最低频率限制
2) frequency restriction
频率限制
1.
The working features and frequency restrictions of SFC starting under two operation modes are analyzed, which are pulse switching mode with low speed and synchronous mode with high speed.
分析了SFC启动同步电机低转速运行(脉冲切换方式)和高转速运行(同步方式)的工作特点、频率限制。
3) min trapped frequency
最低陷获频率
4) Minimum sample rate
最低采样频率
5) the lowest useable frequency
最低可用频率
1.
Calculation of the lowest useable frequency for long distance HF communication;
远距离短波通信最低可用频率的计算
6) fundamental natural frequency
最低阶固有频率
1.
The fundamental natural frequency of low-order system is obtained from decomposition of mass matrix and stiffness matrix.
本文采用子空间迭代法将工程结构高阶动力系统减缩为低阶动力系统，然后用Ｃｏｌｌａｔｚ包含定理的推广求出该结构系统的最低阶固有频率。
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