極地快遞 的英文怎麼說
中文拼音 [jídekuàidì]
極地快遞
英文
the polar express- 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 快 : Ⅰ形容詞1 （速度高; 走路、做事等費的時間短） fast; quick; rapid; swift; speedy 2 （趕快; 從速） hu...
- 遞 : Ⅰ動詞（傳送;傳遞） hand over; pass; give Ⅱ副詞（順著次序） in the proper order; successively
- 極地 : [地理學] polar region極地冰 [海洋學] polar ice; polar cap ice;極地冰川 [水文] polar glacier;極地...
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With the high accurate transfer function it is possible to design frequency characteristic compensator to eliminate the mechanic resonance frequency characteristic of the control object. the fast steering mirror system closed bandwidth is no longer restricted by the mechanic resonance frequency and the closed bandwidth is expanded effectively
在獲得對象的高精度傳遞函數以後，使用零極點對消的方法補償系統的機械諧振，有效地擴展了快速控制反射鏡系統的帶寬，使快速控制反射鏡系統的閉環帶寬不再受制於系統的開環諧振頻率。The thesis, in the probability analysis and computation, considers the failure history of space frames and trusses, adopts the bound criterion and algorithms on the base of system ' s critical strength, and introduces the soft self - adaptation control bound into the identification of dominant failure modes ; at the same time, with the incremental load method and differential equalized recursive method, computes the limit - state function of failure mode and probability index precisely under no leaking the dominant failure modes
文中在可靠性分析和計算部分，考慮空間剛桁架結構系統的失效演化歷程，採用基於系統臨界強度的約界準則和約界演算法，將柔性自適應控制邊界引入失效模式識別過程；同時，用荷載增量法和微分等價遞歸演算法相結合，確保在嚴格不遺漏主要失效模式的情況下，快速準確地求解失效模式的極限狀態方程和可靠度指標。The u. s. department of transportation ( dot ) today proposed to name polar air cargo as a new entrant in the u. s. - china market, and to distribute a total of 39 new weekly all - cargo flights among polar and the three u. s. airlines - fedex, northwest airlines and ups - currently operating u. s. - china all - cargo service
電話： （ 202 ） 366 - 4570運輸部將授權經營新增美中航空貨運業務美國運輸部今天建議指定極地貨運航空公司進入美中航空市場，與目前承接美中全貨運航空業務的聯邦快遞公司（
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