齒狀線 的英文怎麼說

中文拼音 [chǐzhuàngxiàn]
齒狀線 英文
dentate line
  • : Ⅰ名詞1 (牙; 牙齒) tooth 2 (物體上齒形的部分) a tooth like part of anything 3 [書面語] (年齡...
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. Leaves tufted ; stipes 15 - 30 cm long, densely scaly at base, glabrous above ; sterile lamina about 60 cm long and 20 cm wide, simply pinnate ; pinnae numerous, alternate or subopposite, linear - lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed ; veins close, forking once or twice and forming areoles near the midrib ; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0. 4 cm wide, lower surface almost entirely covered with sporangia

    葉簇生;葉柄長15 - 30厘米,基部密被鱗片,向上近光滑;不育葉片長約60厘米,寬20厘米,一回羽;羽片多數,互生或近對生,披針形,最長者長達12厘米,寬約1厘米,頂端長漸尖,基部心形,邊緣有細密鋸;葉脈1 - 2次分叉,近中脈形成網眼;能育葉與不育葉相似,但較小,長約8厘米,寬約0 . 4厘米,下部滿布孢子囊。
  2. Chinese clematis with serrate leaves and large yellow flowers

    有鋸葉子和大黃花的中國鐵蓮。
  3. Flat bedding, wavy bedding and vermiglyph were often found in the shallow lake facies, and the log was usually straight or slight dentation

    濱淺湖相常發育水平層理、波層理及蟲跡,測井曲形態較平直,常呈微
  4. Leaves tufted ; stipes stout, up to 1. 2 m long, densely covered with golden brown hairs at base ; lamina up to 2 m long and 1 m wide, tripinnatifid ; pinnae alternate, sparsely spaced ; pinnules linear - lanceolate, to 15 cm long and 1 - 2. 5 cm wide, short - stipitate ; ultimate lobes linear, more or less falcate, shallowly serrate, dark green and shining above, light green to glaucous below

    葉簇生;葉柄粗壯,長可達1 . 2米,基部亦密被金黃褐色毛;葉片長可達2米,寬達1米,三回羽分裂;羽片互生,疏離;小羽片披針形,長達15厘米,寬1 - 2 . 5厘米,具短柄;末回裂片形,略呈鐮,邊緣有淺鋸,上面深綠色,有光澤,下麵灰白色。
  5. Diagnostic characters for the recognition of species include the presence or absence of pectoral fin, the position of dorsal fin origin, gill opening, anus, nostril opening and eye, the cirri present or not, the dentition type, the body coloration, and the head pores or lateral line etc

    一般依據胸鰭的有無或發達程度,背鰭起點、鰓孔、肛門、鼻孔和眼等的相對位置,頜的發達程度和頜上是否具須,的形和排列方式,身體的斑紋,以及頭部和體側的側孔數目等進行鑒別。
  6. Rectum cancer, motherland medicine says for " the naevus that lock up anus ", the department shows dentate line above reachs rectum the bump of rectum and ministry of have a common boundary of second shape colon

    直腸癌,祖國醫學稱之為「鎖肛痔」 ,系指直腸齒狀線以上至直腸和乙結腸交界部的腫塊。
  7. Curvilinear toothed synchronous belt drive systems

    同步皮帶驅動系統
  8. The lcf behavior of a recrystallized zircaloy - 4 plate at room temperature and 400 show that alloy has better lcf property at rt than at 400, and cyclic hardening at 400 which could be attributed to the dynamic strain aging effects. it is noticeable that the hydrided plate has the same cyclic behavior as the above unhydrided sample at room temperature

    在400下,合金錶現出與常溫下不同的循環特性,其循環穩定滯后回出現鋸波形,且在整個疲勞過摘要程中呈現出一致循環硬化的現象,這主要是因為合金在400下發生動態應變時效效應的結果。
  9. Mz, a, sk, kg and sc / d ( ratio of the sum of silt and clay to sand ) of fluvio - lacustrine, palaeosols and aeolian sands constitute an interlocking, multi - fluctuation process curve with peak and valle y values : the < & value of mz, o and sk values often increase accordingly from aeolian sands to its overlying fluvio - lacustrine facies or / and palaesols, the kg value heightens, too, and the sc / d value also basically consists with its change steps

    河湖相和古土壤與風成砂的mz 、 、 sk 、 kg以及sc d (粉砂粘土之和與砂的比值)構成一峰谷交替、犬牙交錯的鋸多波動過程:常常是由風成砂至上覆河湖相或和古土壤, mz的值、 、 sk值相應增大, kg相應增高, sc d值亦與之變化步驟基本一致。
  10. Solid model of the involute worm gearing solid model with drive ratio 1 / 50 is built by using ideas - 5. 0, then the elastic contact analysis is proceeded on the basis of contact fem. the dynamic evolution image of the area of the contact zone, the load sharing among instantaneous meshing tooth pairs, the distribution of the contact force, and tooth stress are obtained. 3

    通過漸開圓柱蝸桿、蝸輪的面方程式,利用ideas - 5 . 0軟體建立了傳動比為1 / 50的漸開圓柱蝸桿傳動的實體幾何模型,在此基礎上應用接觸有限元方法對該傳動進行了彈性接觸分析,包括接觸區的形、位置、載荷在瞬時嚙合對的分配況; 3
  11. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition

    首先對漸開面二次包絡理論進行了深入的探討,推導出了兩次嚙合的嚙合方程式、瞬時接觸方程式、根切界限方程式、嚙合界限的方程式及其存在條件,相對運動速度方向與接觸方向的夾角及接觸上各點的誘導法曲率;此外,還對磨后工件的面誤差進行了理論分析;並在理論基礎上編制了相應的計算機程序,自動生成接觸族及嚙合界限,對不同參數條件下的嚙合情況進行分析,可以使工藝條件達到最佳態;最後研究了磨裝置,設計了磨機的傳動系統。
  12. A jagged equity curve tends to be a sign of impulsive trading

    多半代表沖動的交易。
  13. Another choice for solving mucogingival problems 15 the use of a modified combination of three known techniques : the split thickness flap ( apically replaced ), vestibular extension and intemal linear periosteal fenestration

    摘要本改良法乃是綜合齦半厚瓣根尖移位、口腔前庭加寬和骨膜開窗等已知的三種的方法於一次齦粘膜手術之同時進行的術式。
  14. Gear form is precisely, plotted by portray point. for friendly user interface, the dialog - box is given, using dcl language to compile dialog box program. because the given program can not only output all the optimum basic parameters of pump gear, but also simulate the meshing process of a pair of pump gears, gear pump can be designed and manufactured economically

    精確繪出泵輪的輪幾何形,尤其精確繪制出了標準輪滾刀切出的根過渡曲,演示了國標雙圓弧頭標準滾刀加工泵輪的過程,並實現了泵輪副的嚙合模擬,這些對檢查輪干涉以及確定輪泵的卸荷槽位置和形提供了依據。
  15. When the applied bias voltage is changed within positive slope regions of u - i curve, the domain boundary between the high and low electric field domains does not moved, and the size of electric field domains regions is also not altered, while the electric field strengths are adjusted

    用模擬計算的方法研究了弱耦合摻雜gaaa / alas超晶格在時變電壓下的場疇機制和固定偏壓下電流自維持振蕩。在時變電壓下,一定摻雜的超晶格處于穩定的電場疇, u - i曲呈現鋸波形。
  16. The complex situation of flight requests that the graphics display of cockpit must be dynamic, real - time and legible. but in the raster graphic display system, scale lines and character will be distorted seriously owe to the limited screen resolution in the case of deflection, which affect the display quality. the thesis based on the research of the last graduate student improves the graphics creating arithmetic more and puts forward more effective arithmetic on scale lines and character for high display quality

    由於飛行態復雜,要求座艙內畫面顯示動態、實時、清晰。而硬體系統採用的是光柵圖形顯示,字元和刻度的旋轉受屏幕解析度的限制存在著鋸走樣現象,影響顯示效果。本文在上一屆研究生研究的基礎上,在圖形生成演算法上加以進一步改進,重點在刻度、字元的反走樣處理上,研究出了更合理的演算法,提高了圖形顯示質量。
  17. In this paper, the metal flow route during closed die extrusion for spiral bevel driving gear of automotive final drive is analyzed and the profile of preformed blank has been designed

    摘要分析了主動螺旋傘輪閉塞擠壓的金屬流動路,設計了預制坯的形
  18. Taking into account thermal and non - newtonian effects of the lubricant, this paper has theoretically investigated elastohydrodynamic lubrication of involute spur gears, and achieved the pressure distribution, film shape, temperature distribution and the values of the friction coefficient and its varying law along the line of action of gear transmission

    本文在考慮了潤滑劑的熱效應和非牛頓效應后,對漸開輪的彈流潤滑問題進行了理論研究,獲得了輪傳動的壓力分佈、溫度分佈、油膜形面摩擦系數的取值范圍及其沿輪傳動嚙合的分佈規律。
  19. Method of force bearing analysis and finite element analysis on contacting state of tooth surface for new typed fa planetary transmission of cycloidal needle - wheel

    新型擺針輪行星傳動受力分析方法與面接觸態有限元分析
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