According to this proposition, the author of this text attempts to analyze the execution strength of our government and put forward the corresponding suggestive measure; Especially in socialist new period, under the leadership of the scientific development view of " human-oriented , develop harmoniously ", as one administrative researcher , the author want to seek truth from facts, especially from the practical problem to the people and the things which closely relate to the people,so as to improve the people's living standard , the trust sense and the pride sense to our government.

根據(jù)這一論題一区二区三区无码日韩久久，本文作者試圖分析我國政府的執(zhí)行力91啪在线观看精品，并提出相應(yīng)的建議性措施国产92精品午夜白精在线；尤其是在社會主義新時期欧美性爱性爱，"以人為本黄A毛A片，和諧發(fā)展"的科學(xué)發(fā)展觀的指引下，作為一名行政研究者色色色視頻，更是要實事求是免费一级毛片完整版视频超级，在實實在在的、對人民群眾有著密切關(guān)系的方面來探討實際問題一级A片老司机黄色毛片，以此提高人民群眾的生活水平精品一区二区三区无码毛片，增強(qiáng)政府的信任感和自豪感。

This text introduce a sort of new pattern soft switch PFC circuit .First, analyze the develop course of the on-off power supply. Second, relate the harm of humorous wave to the commonality electricity net. Third, present the topology and the principium chart of the soft switch PFC and analyze it .At last ,set the parameter and simulates the converter of with matlab simulation. more over ,get the hold of well voltage and current wave , minish the spoilage of the circuit, enhance the efficience of the circuit, meet the demand of the miniaturization and viridity.

本文引入了一種新型的軟開關(guān)PFC電路，首先分析了開關(guān)電源的發(fā)展歷程狂野欧美性交大全，然后講了諧波給公共電網(wǎng)造成的危害国产多人操逼视频，再給出了這種軟開關(guān)PFC的電路拓?fù)浼霸韴D并對其工作原理進(jìn)行了分析，最后對其參數(shù)進(jìn)行設(shè)置在MATLAB軟件進(jìn)行了仿真直接免费在线观看的黄网站，并得到了良好的電壓電流波形欧美淫秽视频，而且減小了電路的損耗，提高了電路的效率三级A片视频，實現(xiàn)了小型化亚洲精品白色在线发布，綠色化的要求。

Basing on the mechanism of the kinetic electron emission, we analyze the factors which relate to the kinetic emission yield, and finally get the relation between kinetic electron emission and impacting velocity in theory.

基于動能電子發(fā)射的機(jī)理黄色在线1级，我們分析了影響動能電子產(chǎn)額的因素黄色性爱小视频，理論上得出動能電子產(chǎn)額與入射速度增長呈線性增加的關(guān)系，取得了實驗上和理論上一致的結(jié)果毛片A片一级视频免费看。