When to get the coefficients of polynomial directly,the ill-conditioned matrix may be produced and effect the precision of result.Using orthogonal polynomial can avoid this problem.This paper introduces 4 orthogonal polynomial.In our discussion,it is proposed to use Chebyshev polynomial and Legendre polynomial,they are easier to sa...

討論4種常用正交多項(xiàng)式在擬合衛(wèi)星軌道與時(shí)間函數(shù)時(shí)的適用性狼友视频在；通過(guò)計(jì)算實(shí)例說(shuō)明利用切比雪夫多項(xiàng)式和勒讓德多項(xiàng)式做數(shù)據(jù)擬合時(shí)具有很高的精度91色热热；分析得出評(píng)定多項(xiàng)式擬合數(shù)據(jù)精度的適用階數(shù)，實(shí)際應(yīng)用中可降低工作量色网站性感污骚视频，提高計(jì)算效率欧美性爱YY特黄特黄免费大片；最后討論同一多項(xiàng)式階數(shù)下不同歷元數(shù)對(duì)擬合結(jié)果的影響。

Now, after 25 efforts, she thinks ski-basing is a bit too risky. Gripping videos on YouTube show others sledging off mountain tops, cartwheeling over the edge and dancing their way into the abyss.

在歷經(jīng)25次嘗試后她認(rèn)為用劃雪橇的方式跳崖確實(shí)有點(diǎn)冒險(xiǎn)黄色视频免费黄色视频免费黄色视频免费黄，精彩的YouTube視頻展示了有些人從山頂滑著雪撬而下黄色网站视，到了懸崖邊來(lái)個(gè)漂亮的側(cè)滾翻像跳舞樣直奔深淵而去。

I write in my painting:"flowering crabapple, flower brook and flower soul, not letting flower picker each year" and feel like coming back to the season with blossoming Flowering Crabapple and my wife and I wandering in the flower sea, intoxicating.

我在畫(huà)中題道：&花棠花溪花下魂欧美性爱久视频，年年不負(fù)采花人&色八A级在线观看，那情景仿佛又回到海棠盛開(kāi)的時(shí)節(jié)，我和妻子結(jié)伴徜徉在那如花似雪的花的海洋里如癡如醉亚洲欧美日韩色图，久久不肯離去国产精品久久九九免费视频。

I could hardly wait for those dry, cold mornings, that cup of hot coffee and then the hike over fresh-fallen snow, a fine in my hand.

我迫不及待地想著那些干燥、寒冷的早晨人人操黄色，那杯熱咖啡，手提著一桿精良的獵槍日本黄网址免费在线观看，在剛剛下了雪的地面上行走九九精品在线观看。

I could hardly wait for those dry, cold mornings, that cup of hot coffee and then the hike over fresh-fallen snow, a fine rifle in my hand.

我迫不及待地想著那些干燥、寒冷的早晨亚洲国产一区二区乱999，那杯熱咖啡A∨女人网，手提著一桿精良的獵槍，在剛剛下了雪的地面上行走久久黄片18。

In June 2005, the state-owned China National Offshore Oil Company tried to gatecrash a merger between US oil producers Chevron and Unocal, and failed amid fierce opposition from Congress.

2005年6月日韩欧美色，國(guó)有的中海油試圖插足雪佛龍和優(yōu)尼科的合并，最終在美國(guó)國(guó)會(huì)的強(qiáng)烈反對(duì)下失敗三级黄色A片。

With little effort, he enslaved the minds of many indigenous creatures, including ice trolls and fierce wendigo, and he drew their evil brethren into his growing shadow.

他很輕松地控制了許多當(dāng)?shù)厣锏乃枷耄ū热绫弈Ш蛢疵偷难┕郑┭侵薰访涝谙呷送荆⑶覍⑺麄兓\罩在自己不斷擴(kuò)大的陰影下。

To the north-eastward, the glare of snow lay under the starlight of the 17sable sky and I could see an 18undulating crest of 19hillocks pinkish white.

在東北方亚洲人兽网，可見(jiàn)昏暗天空的星光下閃耀著雪的光芒男人天堂网在线观看视频，以及高低起伏的粉白色小山丘。

And the most elegant detail is the pink satin ribbon with a tassel that illustrates the beautiful Midnight Fragrance, nestled on its bed of snow under the bright northern lights.

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The multi-year arrangement grants Cryptozoic the right to produce the trading card game based on Blizzard Entertainment's hugely popular World of Warcraft massively multiplayer online role-playing game series.

該協(xié)議授予寒武紀(jì)公司出品魔獸世界集換式卡牌游戲的權(quán)利，該游戲是基于暴雪娛樂(lè)旗下最受大眾歡迎的MMORPG游戲魔獸世界系列的桌面版本人人干99。