1.
frequency and duration method
停电频率和持续时间法
2.
Overhead lines have more outages than underground cable per unit length, but the outages are usually shorter in duration.
架空线路单位长度的停电数要比地下电缆的多,但停电持续时间短。
3.
peak load effective duration factor
峰值功率持续时间率
4.
The period of such cessation.
休息时间这种停顿持续的时间
5.
The Extraction of Spontaneous EEG Based on Time, Frequency and Spatial Information;
基于时间、频率和空间域的自发脑电信号提取
6.
SFTS (Standard Frequency and Time Signals)
标准频率和时间信号
7.
beam pulse duration
电子束脉冲持续时间
8.
duration of relay operation
继电器动作持续时间
9.
Study on Estimation of Dominating Frequency of Non-Stationary and Long Memory Time Series;
非平稳和长记忆时间序列主频率估计方法研究
10.
Method to Calculate Vehicle Queuing Length and Queuing Duration under Crowded Road
道路堵塞时排队长度和排队持续时间计算方法
11.
TIME: The scanner will halt on a signal it encounters, and will hold five seconds.
时间：扫描将停在发现的一个信号频率上5秒钟。
12.
The Definitions of Non-sinusoidal Power in a Power system -Frequency-domain and time-domain approach-
电力系统中非正弦功率的定义——频域和时域方法
13.
The duration of such a program.
播放时间电台、电视节目持续的期间
14.
Pulse-phase Modulation;Pulse-frequency Modulation;Pulse-amplitude Modulation;Pulse-interval Modulation;Pulse-duration Modulation
脉冲-相位调制;脉冲-频率调制;脉冲-幅度调制;脉冲- 间歇调制;脉冲-持续时间调制
15.
Pulse-phase modulation qualifying symbol. Right-click for pulse-frequency, pulse-amplitude, pulse-interval, or pulse-duration.
脉冲－相位调制限定符号。右击指定脉冲－频率、脉冲－幅度，脉冲－间歇或脉冲－持续时间调制。
16.
Flow limits control the rate and duration for each data flow.
数据流限制控制每一个数据流的速率和持续时间。
17.
Effects of Temperature,Humidity,and Duration of Yellowing Stage on Respiration Rate and Chemistry of Upper Leaves
变黄期温湿度及持续时间对上部烟叶呼吸速率和化学成分的影响
18.
The meows that were rated most pleasant were shorter in duration, had higher frequencies and tended to change from high to low notes.
那些被认为是最愉快的叫声在时间上持续得较短，频率较高，并且有从高音向低音转换的趋势。