Through proof and using geometric methods, this paper presents some conclusions about orthographies, projective characteristics and position in space of oblique line with equal dip angles to the planes of projection .

運(yùn)用幾何學(xué)，通過證明對(duì)一般位置等傾直線投影圖形、投影特性及空間各種各樣的等傾直線位置進(jìn)行推導(dǎo)自拍无码在线网、歸納swag在线观看，從中總結(jié)出一般規(guī)律，最后給出結(jié)論欧洲性爱综合。

As the B747, A340 and A330 are put into operation of international line the volume of flight schedule at Shanghai area has been the third biggest position inside Air China. The logistic network, the center of which is Shanghai outspreading to China East and South, including financial tenancy, transportation and storage is being matured.

隨著國航將B747全网毛片免费网、A340、A330等大型客機(jī)投放上海國際航線市場亚洲激情图片小说视频区，上海地區(qū)航班量已經(jīng)躍居國航第三位；以上海為中心免费A片在线观看,，向華東看久久久久久久久特级毛片、華南地區(qū)輻射的集融租賃、運(yùn)輸国内毛片、倉儲(chǔ)等為一體的航材保障網(wǎng)絡(luò)也日趨成熟在线高清无码不卡。

The machining results about a prestressed concrete track girder show that the fitting precision calculated by position fitting algorithm is very close to that by remeasuring all characteristic points of machining line.

對(duì)某預(yù)應(yīng)力混凝土軌道梁機(jī)加工的結(jié)果表明，徐變補(bǔ)償?shù)亩ㄎ粩M合法的擬合精度與在機(jī)加工生產(chǎn)線內(nèi)再次測量所有特征點(diǎn)所得的擬合精度非常接近日韩三级AV网站。

objective to evaluate efficacy of extracorporeal shock wave lithotripsyfor treating ureteral stones in situ,investigate the cause of higher re-treatment rate.methods total of 687 patients with ureteral stone were received eswl between january 2000 and december 2004,included 455 male(66.2%) and 232 female(33.8%) patients,6 cases have bilateral ureteral calculi,12 cases have unilateral multiple calculi.hence,together 709 ureteral calculi were treated.patients upper ureteral calculi were treated in the supine position,for lower ureteral calculi patients were turned prone.to reduce eswl-induced renal trauma and pain,using lower energy source,adjusted power setting from 9.8 to 13.2kv,limited 1500 shock wavs per one session.no auxiliary procedure were used before eswl.the stone size was measured as the surface area of stone length by stone width on x-ray film.the interval between two treatment sessions was two weeks.results of 709 ureteral calculi,the overall stone free rate was 97.3%(690 calculi),re-treatment rate was 34.1%(292 calculi).according to the performed treatment sessions,one session 467 calculi,the mean stone size 37.27mm2,stone free rate 65.4%(464 calculi).two sessions 138 calculi,the mean stone size 62.48mm2,stone free rate 18.4%(131calculi).three sessions 52 calculi,the mean stone size 79.60mm2,stone free rate 7.1%(50calculi).four sessions 19 calculi,the mean stone size 101.63mm2,stone free rate 2.4%(17calculi).fivesessions 33 calculi,the mean stone size 119.33mm2,stone free rate 3.9%(28 calculi).overall 19 cases(2.7%)turned to other treatment modalities.of 335 upper ureteral calculi,303 achieved stone free (95.8%),re-treatment rate was 38.5%(129 calculi).of 374 lower ureteral calculi,369 achieved stone free(98.7%),re-treatment rate was 30.2%(113 calculi).the re-treatment rate of upper ureteral calculi was higher than lower ureteral calculi(p＜0.05,χ2=5.40).the difference of stone-free rate between upper and lower ureteral calculi was no significant(p＞0.05,χ2=0.15).conclusion eswl should be considered first line therapy for ureteral stone still.stone burden are the main variable of higher re-treatment rate,upper ureteral stone may moving with respiring during eswl.so efficinet shock wave was decreared,re-treatment rate become higher.

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When you do verticle sculling you want to make sure you are straight up and down, your head is not forward and your head is not back, you bind the line because this also simulate the freestyle position that you should be in.

當(dāng)你立式撥水時(shí)91综合视频在线，你要確保直上直下十八岁在线观看的黄片，頭既不向前也不向后可以免费看的av网站，你保持直線欧美二区在线综合亚洲欧美网站，因?yàn)檫@是模仿自由泳的正確姿勢。

The planes then strafed the position, leaving a line of fire and destruction 50 yards long.

然后飛機(jī)對(duì)著敵方位置掃射欧美野外激情人成视频在线观看，身后留下了一道50碼長的燃燒和破壞帶免费黄色网站看亚洲。

The solidification type computer controls and twines the pipeline production line of high-pressure glass fiber reinforced plastic and already goes into operation in the Daqing oil field in the steam which the company develops, this technology occupies leading position domestically.

公司研制開發(fā)的蒸汽內(nèi)固化式計(jì)算機(jī)控制纏繞高壓玻璃鋼管道生產(chǎn)線已在大慶油田投產(chǎn)，該項(xiàng)技術(shù)居國內(nèi)領(lǐng)先地位国产精品爱舒服。

In the morning market, Shanghai stock index opened high with 14 points. Since media gave prediction of falling, significant differences between rising-oriented and falling-oriented have emerged. Strong cashing came as soon as the index upsurged. I don't criticize falling-oriented analysts, instead, we should stick to our own market operation plans. As yesterday's comments by me, the 288 Cycle Line at 3221 points in the morning market would lie in short-term strong supporting position.

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This article has first designed the hardware of the examination system, chose the appropriate hardware system according to the special production environment and the technics requirement of the Steaming stereotypia. Owing to production line work condition very severe, the temperature and pressure of the air is high, moreover included many corrosive chemical substance, the general industry camera was unable to work in this condition, so it must indirectly obtain a wiredrawing position image through the special lens, then transmitted to the CCD camera by the optical fiber. Transmit the image information to the PC system through the data-acquisition board. analysis the image information by the image-processing software, again send analysis result to the controller.

本文首先對(duì)檢測系統(tǒng)進(jìn)行了硬件設(shè)計(jì)，根據(jù)汽蒸定型的特殊生產(chǎn)環(huán)境和工藝要求選擇了合適的硬件系統(tǒng)狼友视频在线观看免费，由于生產(chǎn)線的作業(yè)條件非常惡劣美国一级理论片在线看免费，空氣高溫高壓黄视频免费的，而且含有許多腐蝕性的化學(xué)物質(zhì)，一般的工業(yè)攝像機(jī)無法工作欧美妇人性交A片，只能通過特種鏡頭間接獲得拉絲點(diǎn)位置的圖像爱操AV，然后通過光纖傳送到CCD攝像機(jī)，拍攝到的圖像信息通過圖像采集卡傳輸?shù)絇C系統(tǒng)欧美性爱一级在线观看，由圖像處理程序?qū)D像信息進(jìn)行分析在线视频福利，再給控制器輸出分析結(jié)果。

With staff fixed position, stand namely when, it is with ball lever accurate, bipod is on the vertical line of ball lever, the station becomes an isosceles triangle.

以桿定位哦美精品久久久，就是站位時(shí)亚洲国产一区在线视频，以球桿為準(zhǔn)，兩腳就在球桿的垂線上欧美精品一区二区精品久久，站成等腰三角形黄页视频免费看网站。