例句與造句

1. Then , the theoretical analysis of the 3 - phase reversible rectifier circuit is performed in detail . after that a 1kw 3 - phase pwm rectifier is designed in theory and hi practical . in the third chapter , the computer simulation based on matlab is carried out through the simulation , a number of simulation data are gained for studying the relation between the circuit parameters and the reversible rectifier characteristics
   首先對(duì)三相功率因數(shù)校正技術(shù)作了分析和比較，確定本課題研究的內(nèi)容，指出其研究?jī)r(jià)值和意義；然后對(duì)三相高功率因數(shù)可逆整流電路作了理論分析，并在此基礎(chǔ)上，對(duì)一個(gè)1kw的三相高功率因數(shù)可逆整流電路進(jìn)行了理論設(shè)計(jì)；利用matlab軟件，建立了計(jì)算機(jī)仿真模型，對(duì)系統(tǒng)的整流和逆變工作特性進(jìn)行了仿真研究，得到了各電路參數(shù)和控制參數(shù)與系統(tǒng)性能之間的關(guān)系。
2. It's difficult to find rectifier characteristic in a sentence. 用rectifier characteristic造句挺難的