Aiming at the problem of buckling stability capability of box section hoist boom of wheel crane, a complete section of hoist boom is taken as analysis object and buckling instability of the webs is analyzed and researched with the booms of different sectional shapes by applying finite element analysis method. Compared with crane design code (GB3811-83), one piece of plate is taken to calculate buckling stability, the method is easier and more accurate and calculation and analysis of complicated sectional shapes are easy to conduct.

針對輪式起重機箱型起重臂的抗屈曲失穩(wěn)能力問題国产精品自拍在线，采用有限元分析方法，取起重臂截面半波長段作為分析對象在线鲁鲁视频免费观看，對相同工況不同截面形狀的起重臂的屈曲失穩(wěn)情況進行分析研究国产综合91，相對于起重機設(shè)計規(guī)范(GB3811-83)給出的取一塊板進行屈曲計算要快捷、準確得多看国产一级性交电影免费在线，而且也容易完成對復(fù)雜形狀截面的計算分析人人操人人捖人人看。

Now tortoise general Brazilian tortoise at the city, say, should name Brazil Thebes of red ear tortoise accurate, because there is a red stripe nearby of auditory canal, and gained the name in conformity with this.

現(xiàn)在龜市上比較普遍的巴西龜，準確地說是應(yīng)該叫做巴西西比紅耳龜婬乱A片欧美大片人，由于在聽道附近有紅色斑紋日韩精品一区二区一级毛片，而應(yīng)此得名的。

Experiment results show that it can produce cycle accurate result and direct the design of coarse-grained reconfigurable architecture effectively at an early stage of design cycle.

應(yīng)用實例表明国产乱伦自拍视频，在設(shè)計初期中文字幕激情小说，該方法能得到周期精確的估計結(jié)果，有效地指導(dǎo)粗粒度可重構(gòu)結(jié)構(gòu)的設(shè)計天天插,天天透,。

According to the requirement of the market and our customer, we employed more than 100 skilled workers and 60 senior technicians and engineers at our factory .we also imported some advanced production and detection facilities, even get enough cnc key machines, engraving machines, electrical sparkle machines, accurate die casting, cnc miller, nc lathe machines, linear cutting machines, zhengxiong plastic machines from taiwan and other country.

本著&以人為本日韩一级欧美一级精品视频，以質(zhì)取勝&的思路，本公司擁有雄厚的生產(chǎn)技術(shù)隊伍和專業(yè)人才a片在线资源，其中成人网站免费在线播放，優(yōu)秀的生產(chǎn)技術(shù)工人100多人；研發(fā)高級工程師30多名日韩黄色视频品爱。同時引進了數(shù)批先進的生產(chǎn)設(shè)備和檢測設(shè)備很污很黄的视频网站，其中包括cnc加工中心，雕刻機色五月天天，電火花機无码看片网址，銑床，車床97AV视频在线观看，鉆床亚洲精品自拍第一页，磨床，線切割機国产午夜激情，臺灣震雄注塑機98自拍视频、三坐標測量儀等等。

The simulation and experimental results prove that the PLL based sensorless control can obtain accurate speed and phase angle information of PMSG,have fast response,good current control effect,and good steady-state and dynamic performances,may be used to substitute conventional encoder to control the PMSG,by further improvement especially at low speed,for direct-driven WECS.

仿真與實驗結(jié)果表明黄色网站毛片儿，鎖相環(huán)無速度傳感器控制能夠準確獲取電機轉(zhuǎn)速與角度信息午夜免费福利电影网，響應(yīng)速度快、電流控制效果好，具有較好的穩(wěn)態(tài)與動態(tài)性能国产美女免费作爱视频99，經(jīng)過進一步優(yōu)化伊人久久精品中文字幕无码，特別是提高低速段性能后，可以在直驅(qū)風(fēng)電系統(tǒng)中替代常規(guī)編碼器實現(xiàn)對永磁同步發(fā)電機的控制国产黑丝足交视频。

Deep technical and rhyme at the end of the market open accurate judgement of the Company's customers, this is an internal driving force for the development of growth.

深厚的技術(shù)底韻和開闊準確的市場判斷是本公司服務(wù)客戶之本普通话熟女高潮对白视频，也是發(fā)展成長之內(nèi)在動力。

This system have the aid of controls a product at labour of 3 water chestnut, use the method of ambiguous inference and expert system, the accurate judgement that finishs breakdown of pair of derv generation set and diagnose remotely, achieved land thereby the condition monitoring to generation set of the derv on platform mixes the staff member to be safeguarded remotely.

該系統(tǒng)借助于三菱工控產(chǎn)品黄色网站爱观赏，利用模糊推理和專家系統(tǒng)的方法艳情视频一区，完成對柴油發(fā)電機組故障的準確判定和遠程診斷，從而實現(xiàn)了陸地工作人員對平臺上柴油發(fā)電機組的狀態(tài)監(jiān)控和遠程維護日韩不卡毛片午夜在线看片,。

It might be more accurate to liken the Chinese economy to a flotilla of large and small boats, all steaming ahead at full bore, with little regard to the direction of the fleet or the diktats of its commanding officers in Beijing.

更貼切的比喻也許是肥熟女视频一区二区三区，中國經(jīng)濟好比一支由大大小小船舶組成的艦隊，這些船各自全速前行免费黄a片在线观看，罔顧整個艦隊的航向以及北京指揮官的命令一级黄色网站视频官段。

The contrast studies of the heat flow and epicenters of the strong earthquakes (886～1998),the distribution of the geotemperature and high accurate data of focal depth (1983～1997)show that the strong earthquakes take place at the geothermal gradient zone in which the thermal stress concentrates, and that the foci are generally located between 100℃ and 600℃ is...

大地熱流與強震( 886～ 1998年)震中、地溫分布與精度較高的震源深度資料( 1983～ 1997年)的對比研究表明：云南強震主要發(fā)生于熱應(yīng)力集中的地熱梯級帶激情小说激情图片激情视频；震源一般位于 10 0～ 60 0℃等溫線間裸体美女黄十八禁免费网站，相當于 3～ 2 5km深度，并密集分布于 2 0 0～ 4 50℃等溫線間欧美精品无遮挡，即 5～ 2 0km深處日本高清www在线观看视频。震源深度分布范圍可能與地溫所引起的地殼脆韌性轉(zhuǎn)變有關(guān)

The conversion and expansion of ammeter and voltmeter are an important physical experiment at the university. In order to get accurate data, firstly we must measure the ampere meter resistence exactly.

中文摘要：在大學(xué)物理實驗中，電流表国产一线在线观看、電壓表的改裝與擴程是一個非常重要的實驗激情图片激情综合，要想精確的做出此實驗我們就必須首先精確的測量出表頭的內(nèi)阻。