The worm gear and the worm shaft is adopt precise process and precise match checking, Insure the satable transmission、 low temperature国产真实交换配乱婬95视频、low noise level超乳爆乳中文在线视频、high efficiency and long life.

蝸輪蝸桿輸入、輸出部分采用精密光整處理久久精品视频A片，確保整機(jī)不生銹黑人猛交video，提高產(chǎn)品檔次和使用壽命。

It indicates that our study on magnetic suspension train has entered advanced cavalcade.In this paper, combining the actual circumstances of precise engineering survey of magnetic suspension train project in Shanghai, the setting and observation of construction network in each course are introduced. The making of tramroad girder is introduced, and the control survey technology of precise regulating is also analyzed in detail.

本文結(jié)合上海市磁懸浮快速列車(chē)工程精密工程測(cè)量的實(shí)際情況欧美日韩黄色综合网，介紹了上海磁懸浮工程基礎(chǔ)施工控制網(wǎng)的布設(shè)在线黄色网站你懂、觀測(cè)，以及各施工放樣階段控制網(wǎng)的布設(shè)99riAV视频国产、觀測(cè)及精度要求分析高清FreeXXXX性国产意思，并對(duì)軌道梁的制作和軌道梁的精調(diào)測(cè)量控制技術(shù)作了較為細(xì)致的分析介紹，最后討論了磁懸浮工程變形監(jiān)測(cè)的方法在线观看av外国。

The principle and the mathematical model of reduced-dynamic precise orbit determination are discussed based on precise point positioning technique by zero-differenced dual-frequency P codes and epoch-wise differenced carrier phase data. Then the key issue in the reduced-dynamic POD, i. e. the pseudo stochastic pulses and their impact on orbit determination accuracy are analyzed.

論述了基于低軌衛(wèi)星星載GPS雙頻觀測(cè)值的精密單點(diǎn)定位技術(shù)的簡(jiǎn)化動(dòng)力學(xué)定軌方法的數(shù)學(xué)模型十八岁禁看免费黄色视频，分析了簡(jiǎn)化動(dòng)力學(xué)定軌中的關(guān)鍵問(wèn)題―偽隨機(jī)脈沖的設(shè)置問(wèn)題及其對(duì)定軌精度的影響。

The CNC machined tubes are machined and lathed with extremely tight tolerances to hold the focuser and lens cell in precise alignment The tubes have internal light baffles spaced by aluminum rods for precise positioning to avoid vignetting during medium format photography and when using wide field 2 eyepieces.

鏡桶及附屬裝置以 CNC 被機(jī)器制造而且與精密又穩(wěn)定地支持其中的透鏡組裝置欧美一区VA在线观看。在精確的對(duì)光中光軸已經(jīng)為精確的定位免费在线观看黄色网站大全www，被鋁竿隔開(kāi)避免在使用觀測(cè)攝影中被移位。

Is the most precise clock, 4 the least precise one.

只在打印時(shí)間為'有時(shí)'時(shí)生效footjob国产。

With precise model of satellite motion, osculating parameters and earth shape, the determination of the position information of each pixel is precise, and the accuracy of direct location can be improved to be 3km.

該方案通過(guò)建立精確的衛(wèi)星運(yùn)動(dòng)軌道模型欧美黄片一级艹逼、衛(wèi)星攝動(dòng)模型，采用對(duì)稱橢球體的地球形態(tài)模型和融入衛(wèi)星姿態(tài)的地面掃描點(diǎn)位置的計(jì)算方法又爽又免费的视频，使直接定位精度達(dá)到3個(gè)像元一乱黄色视频在线。

In the direct-location, with the precise model of satellite motion and its osculating parameters, a more accurate formula for the orbit calculation of satellite is obtained. Meanwhile, the determination of the position information of each pixel is more accurate with the precise model of earth shape.

二、直接定位中日韩一区视频在线观看，通過(guò)建立精確的衛(wèi)星運(yùn)動(dòng)軌道模型成人野外激情免费观看、衛(wèi)星攝動(dòng)模型，優(yōu)選確定了衛(wèi)星軌道計(jì)算公式综合人成精品玖玖玖在线，以提高衛(wèi)星軌道計(jì)算精度国产毛片爽爽影院无码；同時(shí)，采用對(duì)稱橢球體的地球形態(tài)模型和融入衛(wèi)星姿態(tài)的地面掃描點(diǎn)位置的計(jì)算方法激情小说图片亚洲，可使確定的地面掃描點(diǎn)的地理位置更精確一本到高清久久婷婷国产。

At last, the research test the logistic regression model with sample dada. The results are as the following:(1)Based on the time series dada, the financial early-warning model contains more crucial information reflecting the dada characters, so it can avoid the obvious logic problem in the other analysis such as single section dada and multi-section dada analysis. The test result indicate that the new model have a more accuracy than others.(2) the research adopt the global principal component analysis to settle the problem of multiple collinearity, so the model would be more normative and precise.(3)the early-warning model uses the backward method to regress, so it gets a terser model of only five variables, but it still has a precise forecasting ability.

通過(guò)本文研究說(shuō)明：（1）建立以時(shí)序數(shù)據(jù)為基礎(chǔ)的財(cái)務(wù)危機(jī)預(yù)警模型，提高了樣本中重要財(cái)務(wù)趨勢(shì)特征的信息含量扒开女高中粉嫩小泬免费视频，從而克服了國(guó)內(nèi)外單截面及多重截面分析中普遍存在的明顯邏輯問(wèn)題看黄9999，檢驗(yàn)結(jié)果表明色色色干，利用時(shí)序數(shù)據(jù)建立的logistic財(cái)務(wù)危機(jī)判別模型較截面數(shù)據(jù)基礎(chǔ)模型的判別準(zhǔn)確率要高；（2）采用全局主成份分析方法解決了模型中因子間的多重共線性問(wèn)題黄色视频在线播放国产，這一處理使logistic回歸方法應(yīng)用的規(guī)范度和嚴(yán)謹(jǐn)度得到明顯改善免费的av网；（3）我們采用向后逐步回歸的辦法進(jìn)行回歸，使模型大大得到了簡(jiǎn)化人人干人人操超碰chinese，其中只包含五個(gè)自變量国产精品视频区1，但是它的整體預(yù)測(cè)準(zhǔn)確性卻仍然比較高，使模型更具有實(shí)用性18岁可以看亏视频网址。

Ephemeris data by comparison is very precise orbital and clock correction for each SV and is necessary for precise positioning.

Ephemeris 數(shù)據(jù)相比之下是十分精確的軌道和時(shí)鐘糾正信息亚洲另类欧美在线综合，每一顆衛(wèi)星只會(huì)廣播自己的Ephemeris 數(shù)據(jù)，這類數(shù)據(jù)的有效期或許有幾個(gè)小時(shí)（取決于廣播信息的包含的內(nèi)容）在线日韩网站。

The precise satellites clock error estimation algorithm of navigation satellites is studied in this paper. The computation of precise satellites clock error based on the non-difference phase is realized and the results are compared with the products provided by IGS analysis centers.

研究了導(dǎo)航衛(wèi)星精密鐘差的估計(jì)算法免费A级毛片无码的，編程實(shí)現(xiàn)了基于非差載波相位的精密衛(wèi)星鐘差的解算，并同IGS若干分析中心提供的精密鐘差產(chǎn)品進(jìn)行了比較91亚洲国产系列精品第。