1.
single conversion superheterodyne
一次变频超外差接收机
2.
Energy Conservation Method Research of the Variable-Frequency Primary Pump in Air-conditioning Chilled-water System;
空调冷冻水一次泵变频节能方法研究
3.
High-voltage frequency-conversion renovation of 3~# ventilator of primary dust-collecting system of converter
转炉一次除尘3~#风机高压变频改造
4.
HIGH-VOLTAGE FREQUENCY-CONVERSION REFORMATION OF No.3 VENTILATOR OF PRIMARY DUST-COLLECTION SYSTEM OF CONVERTER
转炉一次除尘3#风机高压变频改造
5.
DCS Control Policy of Primary Air Fan Frequency Converting Reconstruction
一次风机变频改造的DCS控制策略
6.
Frequency Transformation of Primary Air Fan Variable in Huaneng Pingliang Power Generation Company
华能平凉发电公司一次风机变频改造
7.
The Performance of Variable Primary Flow System
空调一次泵变频系统运行特点及设计重点
8.
Frequency conversion renovation of primary pump of air-conditioning system for one hotel
某酒店空调系统一次泵变频改造实例分析
9.
The application of high voltage varying frequency speed adjustment on air blower of 600MW unit
高压变频调速在600MW发电机组一次风机上的应用
10.
triple superheterodyne
三次变频超外差接收机
11.
Research and Application in Primary Air Fan Frequency Control System on No.3 BaoTou Thermal Power Plants
包头第三热电厂一次风机变频改造的研究与应用
12.
Application of HVC in primary air fan
高压大功率变频调速装置在一次风机电机上的应用
13.
The number of repetitions of a complete sequence of values of a periodic function per unit variation of an independent variable.
频率当自变量变化一个单位时，周期函数取同一完整数序的重复次数
14.
Application of Inverter in Speed Adjustment for Square Law Loads
变频器在二次方率负载调速中的运用
15.
A Simple and Easy Test Method of Conversion Loss of a Mixer
混频器变频损耗的一种简易测试方法
16.
Each iteration of the loop adds another octave of twice the frequency.
每次循环跌代叠加另一个两倍频率的倍频。
17.
The number of measurements in an interval of a frequency distribution.
频率分布一次频率分布的区间内计算的数量
18.
Relationship Between Primary Frequency Modulation Speed Difference and Primary Frequency Modulation Load for Steam Turbines
汽机一次调频转差与调频负荷关系的探讨