sigmoid 中文意思是什麼

sigmoid 解釋
adj. 形容詞 ,n. 名詞 S [Σ]形的；【醫學】乙狀的；乙狀結腸。
the sigmoid flexure 【解剖學】乙狀彎曲。

  1. The alimentary tract in the abdomen consists of the lower oesophagus, the stomach, the duodenum, the jejunum, ileum, the caecum and the appendix, the ascending, transverse and descending colons, the sigmoid colon and the rectum

    腹腔內的消化道器官有：下食道、胃，十二指腸、空腸、回腸、盲腸和闌尾、升結腸、橫結腸、降結腸、乙狀結腸以及直腸。
  2. An anterior sigmoid sinus tend to be observed when the distance between petrous back wall and external auditory canal is shorter. 5. 11 / 40 ( 27. 5 % ) posterior lip of internal acoustic meatus cover facial nerve more than 1 / 3

    氣化的乳突其顳骨巖部后骨板與外耳道後壁之間距離較大，外耳道後壁和顳骨巖部后硬腦膜之間距離也反映了乙狀竇前移程度，該距離愈小，乙狀竇愈有前移傾向。
  3. Super - posterior semicircular canal resection s scope is wider than posterior semicircular canal resection and could treat internal acoustic meats lesions too. conclusion : we get the scope of the two different incisions of duramater. study the effect of the sigmoid sinus, jugular bulb and cerebellopontine angle area to retrolabyrinthine approach surgery

    后、上半規管切除在外半規管以下所得范圍同後半規管切除相似，在外半規管平面以上可以有一較大的暴露范圍，可以一直暴露到內聽道口，甚至可以暴露內聽道的全程，因此可以在直視下處理內聽道內的病變。
  4. Methods : to divide the anatomic area into several parts : sigmoid sinus, jugular bulb, semicircular canal, internal acoustic meats, cerebellopontine angle area, duramater. simulated the partial labyrinthectomy and endoscopic surgery on 20 adult cadaveric specimens, measured correlative data, observed correlative anatomic structure. all data analysied by sas

    方法：在20例40側成人屍頭上模擬迷路后徑路橋小腦角區內鏡手術和部分迷路切除術，將相關解剖結構分為乙狀竇、頸靜脈球、半規管、內聽道、橋小腦角區、硬腦膜等幾個區域，分別觀察相關解剖結構及測量相關數據，測量結果用sas軟體進行統計學分析。
  5. Diagnosis and treatment for redundant sigmoid colon in adults

    成人乙狀結腸冗長癥的診斷和治療
  6. The rectum and sigmoid colon are at the bottom extending to the right

    圖下方至右方示直腸、乙狀結腸。
  7. Surgical improvement of laparoscopic sigmoid colpopoiesis and literature review

    腹腔鏡乙狀結腸代陰道成形術的手術改進及文獻回顧
  8. Theoretical analysis on classification capability of classifier containing quadratic sigmoid neurons

    神經元構建的分類器分類能力的理論分析
  9. The asterion wasn " t always located over the superficial surface of the transverse - sigmoid sinus junction

    星點並不總是正對橫竇乙狀竇交匯處。
  10. Past medical problems included hypertension and diverticular disease requiring partial sigmoid bowel resection 6 years ago

    其他的病史包括高血壓， 6年前因憩室病行部分乙狀結腸切除術。
  11. Conclusion the rectum and the sigmoid colon are the main invasive sites of polypus, inflammation, ulcer and tumors

    結直腸病變的檢出由高到低依次為結直腸息肉、結直腸的非特異性炎癥、結直腸癌、潰瘍性結直腸炎等。
  12. The point of occipital insert of the musculus splenius capitus posterior to the mastoid was located inferior and medial to the transverse - sigmoid sinus junction

    乳突后頭夾肌枕骨附著處位於橫竇乙狀竇交匯處的下內方。
  13. This paper combines theory of wavelet analysis with conventional neural network. substituting wavelet function for sigmoid function in neural network, to form wavelet neural network

    本文將小波分析理論與傳統神經網路理論相結合，用小波函數代替傳統神經網路中的sigmoid函數，構成小波神經網路。
  14. Finally, bp neural network is improved for face recognition, the problem on choice of parameters is discussed, the sigmoid function and weight adjustment are improved for higher convergence speed

    討論了傳統bp神經網路的參數選取問題，對sigmoid函數和網路學習速率進行了改進，以提高系統的收斂速度和收斂率。
  15. Then we propose the method of second gridding searching to get best kernel parameters. using this method, we get best parameters of poly kernel function, rbf kernel function and sigmoid kernel function. we get best kernel and parameters from them

    並給出了基於二次網格搜索方法的核參數選取方法，找出了多項式核函數， rbf核函數以及sigmoid核函數的最佳參數，從中確定了svm的最優核函數及其參數。
  16. Methods : the anatomic relationship between the cross point ( a ) of the sigmoid and the transverse sinus and the asterion ( s ), the cross point of the perpendicular and the horizontal ( b ) and point of the fissure of the occipital - mastoid at the fundus of the mastoid ( c ) were determined. then the length of a - s and b - c were measured. results : ( 1 ) the a point was lateral and inferior to the asterion, 10. 8 + 1. 1 mm on horizontal plane, 3. 5 + 0. 7mm on the longitude plane

    方法：確定橫竇和乙狀竇的交界內下緣比點）和星點（枕乳縫和人字縫交叉點， s點）的解剖關系；乙狀竇垂直部和水平部交匯處內下緣舊點）和枕乳縫乳突基底水平處點）的關系。測量as和b c點的距離。結果： l橫竇和乙狀竇交點的位於星點外下方，橫斷面上，平均距離為10
  17. The pixel array of the ccd is 544x544. theoretical analysis shows the solar x - euv imaging telescope can observe the active region, flare, cme, eit wave, " dimming ", " sigmoid " and " cusp " phenomena

    太陽x - euv成像望遠鏡能夠觀測活動區、耀斑、冕洞、 cme 、 eit波、 dimming 、 sigmoid 、 cusp等影響空間天氣變化的太陽活動、太陽爆發先兆現象、太陽爆發伴生現象。
  18. This thesis realizes the computation of sigmoid function, which is a commonly used non - linear transfer function in bp network, using a stam ( symmetric table and addition method ) method

    文中採用了一種stam （ symmetrictableandadditionmethod ）方法在fpga器件上，實現了bp網路最為常用的一種非線性傳遞函數? ? sigmoid函數的近似計算。
  19. These kinds of mechanical models which are used to analyze the mechanical abilities of mrd are compared. ( 2 ) the elastic - plastic seismic response analysis about the magnetorheological structure. the elastic - plastic seismic response analysis and compared analysis of the magnetorheological structure are carried with semi - active bi - state and foil - state control strategy when structure is simulated by three fold line stiffness retrograde model and mrd is simulated by sigmoid model, and corresponding conclusions are given

    （ 2 ）磁流變阻尼結構的彈塑性地震反應分析對實際結構的恢復力模型按三線型剛度退化模型考慮，磁流變阻尼器採用作者所提出的sigmoid模型，對在半主動全態和半主動雙態控制下的磁流變阻尼結構進行了彈塑性地震反應分析和對比分析，並得出了相應的結論。
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