When processing data in controlling survey, we usually project twice (land surface→according to ellipsoid plane→gauss projection plane) and it brings about Deformed projection twice too. It is not good for large scale mapping and setting-out of project construction.

控制測(cè)量在數(shù)據(jù)處理時(shí)亚洲三级片视频，通常要進(jìn)行兩次投影（地面→參考橢球面→高斯投影平面），也相應(yīng)地產(chǎn)生兩次投影變形无码一级毛片免费，不利於大比例尺測(cè)圖和工程施工放樣一区二区强奸。

Spherical roller bearings are double-row, self-containing units that comprise solid outer rings with a concave raceway, solid inner rings and barrel rollers with cages.

球面滾子軸承是雙列，自我包含的單位97干视频，包括堅(jiān)實(shí)的外圈與凹面滾黄色一级片网址免费，固體和內(nèi)圈與輥每桶籠。

Bearing and shaft fastening methods are: the outer sleeve with eccentric spherical bearing, the eccentric sets Presentation at the bearing inner ring of the eccentric stage, along the axis of rotation direction of tightening eccentric sleeve, and then wrench tighten the screw Hexagon eccentric sleeve on the set screws can be.

軸承與軸的緊固方法是：對(duì)帶偏心套的外球面軸承日韩欧美亚洲中文乱码青青，將偏心套套在軸承內(nèi)圈的偏心臺(tái)上，沿軸的旋轉(zhuǎn)方向擰緊偏心套性爱三级黄色，再用內(nèi)六角螺釘扳手?jǐn)Q緊偏心套上的緊定螺釘即可免费公开超碰在线。

Finally, the paper provides the checking computations of themost dangerous cases of the cast ball-and-socket support node planned to be use in thedouble-layer reticulated dome roof of Laoshan Cycling Gymnasium for BeijingOlympic Games. The node under most dangerous cases is analyzed by ANSYS7.0 toget the distribution of stress and assurance coefficient. All these results can be thetheoretical warranty for the use of project of Beijing Olympic Games

最后，對(duì)北京奧運(yùn)會(huì)老山自行車(chē)館雙層球面網(wǎng)殼柱腳擬采用的鑄鋼球鉸支座節(jié)點(diǎn)在最不利工況下節(jié)點(diǎn)承載力進(jìn)行了驗(yàn)算久热伊人网，并通過(guò)ANSYS7.0對(duì)節(jié)點(diǎn)在最不利工況下的應(yīng)力分布進(jìn)行分析得出了節(jié)點(diǎn)在這些工況下的安全系數(shù)從而為在北京奧運(yùn)會(huì)老山自行車(chē)館工程中使用這些節(jié)點(diǎn)提供了理論依據(jù)美国韩国黄色自拍偷拍片。

Having absorbed all advantages from exotic machines and designed according to the standard of ASME, this harrow has adopted combined structure whose rigid frame is welded with square tube, equipped with hydraulic up-and-down road wheels, spring leveling device and sealed bearing with spheroid outer surface and square inner hole special for disc harrow.

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Mercator is the type of projection you see used on Live maps and Google maps, but as many often mistakenly thinks, they do NOT use WGS84 for the projected map, although WGS84 is used when you directly input longitude/latitude values using their API.

Live Map和Google Map都使用墨卡托投影免费视频在线观看4444，但并不像人們認(rèn)為的那樣他們使用WGS84基準(zhǔn)面乱人伦人妻中文字幕app，雖然你在他們的API中輸入的值是WGS84下的值∪蘸啡似尴盗惺悠翟谙撸【譯注：原因是WGS84基準(zhǔn)面是基于橢球面的igao为爱寻找激情，而LiveMap和GoogleMap使用的是球面A级免费黄片。另外，YahooMap使用的是等距圓柱投影欧美黄片视频免费观看。

This paper discusses in detail the range of lon gitude of ascending node of the orbits, by which point and area targets can be c o vered in different conditions by considering the disturbance of the earth shape J2 using a sphere triangle method, and provides a whole analytic expressio n.

利用球面三角方法詳細(xì)討論了在考慮地球形狀J2項(xiàng)的攝動(dòng)影響時(shí)一级黄色视频免费观看在线，各種情況下能覆蓋目標(biāo)點(diǎn)的軌道的升交點(diǎn)經(jīng)度范圍，并將其推廣到對(duì)區(qū)域目標(biāo)的覆蓋黄色网站视频淫乱，給出了完整的解析表達(dá)式国产午夜福利一级无码。

In chapter 3, the characteristics of relative motion of small satellite based on ground station are firstly analyzed, in which using spherical trigometry, the analytic formulas evaluating the longitude ranges of ascending node which can cover the target are deduced with J2 precession. With the solution, the longitude ranges of ascending node limited by the cross-time can be gained. Secondly, a serious of characteristics of small satellite to space station is studied.

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Lenses are optical elements with 2 refractive surfaces. These can be centered sphericalally, rotationally

這些透鏡是有中心的欧美日韩在线95页，如球面的或旋轉(zhuǎn)對(duì)稱(chēng)的天天操天天狠天天透，而不是非旋轉(zhuǎn)對(duì)稱(chēng)的。

Based on the Kolmogorov spectrum, the expressions are derived for time-averaging factors associated with atmospheric scintillations of unbounded plane wave and spherical wave, in the weak turbulence regime.

基于科爾莫戈羅夫譜99视频10精品视频在线，導(dǎo)出了弱湍流起伏區(qū)無(wú)限平面波和球面波的大氣閃爍時(shí)間平滑因子的一般表達(dá)式少妇黄片AAA一区二区三区，并且用幾何光學(xué)近似得到了在大孔徑和小孔徑接收情況下的時(shí)間平滑因子近似表達(dá)式。