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- It can used for starting, stopping, positiong and high frequency starting. 此機適用于起動(dòng)、停止、定位、高頻率起動(dòng)。
- The excursion of instantaneous frequency representation will be resulted when EFT is applied to signals with rapidly varying frequency contents. 對于具有恒定幅度的調頻信號而言，瞬時(shí)頻率代表了其全部的信息，可以據此對信號進(jìn)行識別和分類(lèi)。
- The rising voltage transformer of the traditional high frequency starting arc unit is replaced because of using the voltage doubler for rising the voltage. 本文介紹了一種用倍壓整流方式構成的中頻脈沖引弧器，并對其工作原理及參數設計進(jìn)行了分析。
- In terms of pitch, bats produce echolocation calls with both constant frequencies and varying frequencies that are frequently modulated. 關(guān)于音調，蝙蝠用恒定頻率和頻繁調整的變化頻率發(fā)出回聲定位的叫聲。
- varying frequency speed controller 變頻器
- varying frequency speed controner 變頻器
- varying frequency speed regulating 變頻調速
- variable frequency starting process 變頻起動(dòng)
- This includes brain rhythms, heartbeat, muscle tension, mental and emotional rhythms, hormonal and enzymatic rhythms, sleep and wakefulness, all with varying frequencies and intensities. 這些規律包括腦波的規律，心跳，神經(jīng)和感情的規律，統一以及酶化的規律，睡眠以及清醒，所有的狀態(tài)和緊張。
- This paper introduces the system of single phase large power source varied frequency for heating,contains rectifier,filter,inverter and control circuit etc. 介紹了大功率單相變頻加熱電源的系統組成，包括整流、濾波、逆變和控制電路等部分。
- Synchronous Motor Frequency Starting Controlling System 同步電動(dòng)機變頻啟動(dòng)控制系統
- The Varying Frequency Speed Modulating Burden System for Nuclear Scaler 核子秤變頻調速配料系統
- A nobleman of varying status or rank. 貴族各種爵位或地位的貴族
- A Stationary Frequency Starting Device of a High Capacity Synchro Notor 大型同步電動(dòng)機的靜止變頻起動(dòng)裝置
- The Active Current Control of Varying Frequency Speed Control System 變頻調速系統的有功電流控制方法
- He varied the transmission frequency. 他變換了無(wú)線(xiàn)電傳送的頻率。
- A unit of frequency equal to one cycle per second. 赫茲頻率的單位，等于每秒一周
- A varying unit of weight or money used in ancient Greece and Asia. 邁納古希臘及亞洲使用的一種不斷變化的重量或貨幣單位
- Fatal accidents have decreased in frequency over recent years. 近年來(lái)死亡事故發(fā)生的頻率已經(jīng)下降。
- varied frequency speed regulating 變頻調速
