pull forward造句
例句与造句
- What are you doing ? - pull forward
你在干吗? -推到前面去 - Your order ' s ready . pull forward
你点的餐齐了，请往前开 - What ? - pull forward
什么? -推到前面去 - The second population is pulled forwards by the propagating energetic electrons . the third energetic ion population emerg
研究了前、后表面等离子体密度标长对高能离子产生的影响。 - Based on comparison of different dc / dc converter , push - pull forward converter ( ppf ) is selected as main system prototype
在比较多种常用拓扑的优缺点后,本文选用推挽正激电路作为主电路拓扑。 - It's difficult to find pull forward in a sentence. 用pull forward造句挺难的
- The thesis focused on the dc link topology of the modulariation aviation static converter . first , the push - pull converter is developed . then , the principle of push - pull forward converter is analyzed in detail
本文主要针对模板化航空静止变流器直流环节进行研究，研究了推挽、推挽正激和隔离型boost三种电路方案。 - Aimed to acquire high efficiency and realize high frequency of the converter , this paper takes the forepart of the aeronautical static inverter ( asi ) - dc / dc converter as research object . push - pull forward converter ( ppfc ) , which adapts to be applied in low voltage , high current input power field , is proposed and studied in this paper based on comprehend to main characters of asi and references to the development of the vrm
本文以航空静止变流器中dc dc ? dc ac结构的前级为主要研究对象，针对效率和高频化问题，在充分考虑航空静止变流器前级dc dc特点的基础上，借鉴国外vrm技术的发展历程，选择了适合于低压大电流场合下工作的推挽正激电路( ppfc ) ，作为基本电路拓扑，进行了一些理论与实验的研究工作。 - This paper introduces the fundamental and characteristic of the fuel cell , analyzes the necessity and detail scheme of adding assistant energy sources to the fuel cell power generation system . considering for the special demand of the fuel cell power generation system , this paper gives out a push pull forward converter ( ppfc ) with passive and lossless dual cdd snubber circuit
本文首先阐述了燃料电池的基本原理和性能特点,分析了在燃料电池发电系统中引入辅助能源系统的必要性及具体的配置方案,然后针对燃料电池发电系统对dc / dc变换器设计的特殊要求,提出了一种加双cdd无源无损缓冲电路的推挽正激变换器( pushpullforwardconverter , ppfc ) 。