x-back 中文意思是什麼

x-back 解釋
防靜電背面層
  • x : X2＝ （羅馬數字）10 XX ＝ 20 IX ＝ 9 XV ＝ 15 XL ＝ 40 LX ＝ 60 XC ＝ 90 DXL ＝ 540 MX ＝ 1010 ＝...
  • back : n 1 背，背部；背脊；背面，反面；背後，後部，後面，裏面。2 （指）甲；（刀）背；（手）背；（書）背...
  1. Sky burial is back after several months rest ! they feature a brand new rhythm section, and will be playing a gen x rock set sprinkled with offpeat originals

    "天藏"在經過數月的休息之後，將帶來原創性的x世代搖滾曲風與好朋友分享
  2. I ' m gonna send a special 8 x 1 0 to his kkk buddies back in jail

    我會給他在牢里的3k黨朋友送一張8x10的照片
  3. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  4. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時，選擇有限帶寬窗有較好的空間解析度，三角形窗有較好的密度解析度，選擇餘弦窗則使得空間解析度與密度解析度的折衷；從窗函數的頻譜角度來講，可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件： （ ? ）小的3db帶寬b ，即最小的主瓣寬度； （ ? ）最小的旁瓣最大峰值a ； （ ? ）最大的旁瓣峰值衰減速度d ；就內插函數而言，臨近點內插與線性內插重建圖像噪聲大，但有較好的邊緣與細節； 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑，局部特性較好。
  5. After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened

    為了使探測器的性能得到進一步的提高，我們對其進行了電子輻照改性，並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應，並對其響應時間，后沿下降時間，半高寬（ fwhm ） ，載流子壽命，靈敏度進行對比，研究，結果顯示經電子輻照后的探測器的性能得到了改善，使響應速度，分辯率進一步提高，並消除了探測器輸出信號后沿的非線性，雖靈敏度有所降低，反而使其測量范圍得以拓寬。
  6. In order to overcome problems arisen from the application of x fluorescence analysis into complex spectrum produced by archaeological ceramic fragments with multi - element, low content and thick ground, we have employed the artificial neural network into the research of x fluorescence archaeology and conducted three kinds of research works. as the first one, we have applied the linear olam network ( optimal linear association memory network ) and the non - linear bp network ( back - propagation network ) respectively to analyze the complex x fluorescence spectrum of archaeological samples, and taken both results of spectrum analysis to compare with each other. the second, the method of pattern recognition of bp network was tentatively used to perform intelligent identification of production places of these archaeological samples

    針對科技考古中對大量考古陶片進行產地研究時x熒光分析對多元素、低含量、厚基底考古陶片產生的復雜譜分析的問題，將人工神經網路引入x熒光考古中，進行了三方面的研究工作：一是用線性olam網路（最優線性聯想網路）和非線性bp網路（誤差反傳導網路）分別對考古樣品的x熒光復雜譜進行解譜，並比較二者的解譜效果；二是用bp網路模式識別方法對考古樣品的產地進行智能識別；三是為了提高網路運算的可靠性和減小基體效應及電噪聲的干擾和影響，研究並提出了三種網路學習前的譜數據預處理方法。
  7. Mulder : witnesses described them as primitive - looking men with red, piercing eyes. became known as the " mothmen. " i got an x - file dating back to 1952 on it

    穆德：目擊者形容?們是相貌原始、有銳利紅眼的人，以蛾人一名為人所知。我有一份1952年的x檔案談? 。
  8. This observation lamp uses the newest back light technology, its colorwarm reaches as high as 9000 k, the production blue lightsuitablly reads x film, but tradition observation lamp its color warmis about 5500 k

    本觀察燈採用最新的背光技術，其色溫高達9000開爾文，生產的藍光更適合讀x膠片，而傳統型觀察燈其色溫為5500左右開爾文。
  9. Jdy - 280b double electromagnetic lock product characteristic : strong holding force, no left magnet easily installed, low noise, durable no mechanical failure with signal feed back function applications : can be used with intercoms and access control systems, especially for fireproof door working voltage : 12vdc 24vdc working current : 12vdc 0. 27a, 24vdc 0. 46a power consumption : 3. 3w, 3. 5w, absolutely insulative power supply mode : successively working temperature : - 40 50 dimension : 473 x 45 x 30mm weight : 3920g yiwu qimingxing computer company copy right

    Jdy - 280b雙開門磁力鎖產品特性:吸力強無剩磁安裝方便噪音低壽命長具故障保護功能，無機械故障可具資訊回饋功能鎖狀態有指示燈指示：鎖門時綠燈指示燈亮開門時，紅色指示燈亮帶鎖狀態指示燈及聯網信號輸出適用范圍：可與樓宇對講門禁系統配套使用特別適用於逃生門防火門電氣性能：電氣性能：使用電壓： 12vdc 24vdc電流： 12vdc 0 . 53a 24vdc 0 . 27a絕緣電阻測試： dc500v 1分鐘無擊穿通電形式連續使用溫度： 40 50外形尺寸： 473 x 45 x 30mm重量： 3920g
  10. Dogs are set up as animal models. six areas, 5 x 8cm each, are symmetrically designed on both sides of the dog back, marked by a machine for painting eyebrow. expanders of 240 / w / are implanted in every area

    實驗以狗為動物模型，在每條狗背部的兩側對稱設計6個5 8cm的區域，用紋眉機文出該區域，植入240ml的擴張器。
  11. Tiny average length measures 1. 5 cm, body is tan brown above, with an x - shaped marking on the back, long and slender hind legs with obvious foe discs on all four feet

    體型十分細小，平均身長1 . 5厘米，背部褐棕色，並有x形花紋後腿幼長，四肢的趾端長有明顯的吸盤。
  12. Its body is tan brown above, with an " x - like " marking on the back

    它們的背部是棕啡色，並有一個交叉斑紋。
  13. If i took, can i go back to x ' s and y ' s ？

    如果我得到了，我能夠回代到x和y中去么？
  14. This crossbody bag has front and back pockets and a roomy zip compartment. adjustable strap. contrast stitching. genuine leather. 7. 5 " x 8 "

    這個跨包前後都有口袋和寬敞的拉鏈間隔間。有縫紉設計，可以調節的帶子。真皮製作。
  15. Tracing back to the researches on international trade theories and international direct investment theories, the thesis, which draws heavily on preceding researches, takes up the thread of international division of labor that is neglected by neoclassical economics, and develops it following x. k. yang ' s approach, to put the international trade theories and international direct investment theories into one single theoretical analytical framework

    本論文在已有研究成果的基礎上，重拾長期被新古典經濟學忽視的國際分工思想，並把這一思想沿著楊小凱等人的新興古典經濟學分析框架的思路加以展開，建立起一個融國際貿易和國際直接投資於一體的理論分析框架。
  16. If the hashes agree, chktrust. exe verifies that the signer s x. 509 certificate can be traced back to a trusted root certificate

    如果二者一致， chktrust . exe將驗證簽名程序的x . 509證書是否可以追溯到受信任的根證書。
  17. Working table dimension : front and back x left and right

    工作臺面前後左右尺寸
  18. Overall dimension of machine left and right x front and back x height

    機器外型尺寸左右前後高
  19. It is brown in colour with a dark x - shaped marking on the back, which gives camouflage against the background

    身體棕色，背部有一道深色的交叉斑紋，與四周景物的顏色十分相似，可發揮保護色的作用。
  20. The fees charged by y ltd. in return for the back - office services provided to x ltd. will be determined on an arm s length basis

    Y有限公司向x有限公司提供辦公室支援服務所收取的費用，將按正常平等互利原則決定。
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