齒頂面 的英文怎麼說

中文拼音 [chǐdǐngmiàn]
齒頂面 英文
addendum face
  • : 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(人體或物體的最上部) crown; peak; top Ⅱ動詞1 (用頭支承) carry on the head 2 (從下面拱...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. Leaves papery, oval in outline, 6 - 7cm long and 8 - 11 cm wide, base rounded or subtruncate, trilobed or sometimes 5 - lobed ; lobes triangular - ovate, rarely ovate - oblong, apex acute or acuminate, margin serrulate, with appressed acute teeth, sometimes entire near base, glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long, glabrous

    葉紙質,輪廓闊卵形,長6 - 7厘米,寬8 - 11厘米,基部圓或近截平, 3裂或有時5裂,裂片三角狀卵形,有時卵狀長圓形,端漸尖,邊緣有疏而銳利地鋸,有時近基部全緣,兩無毛或下脈腋有簇毛;葉柄長2 - 3厘米,無毛。
  2. Leaves opposite, papery, ovate, suborbicular or elliptic, 4 - 8 cm long, apex rounded, base rounded to broadly cuneate, margin with regular and slightly sinuate teeth except base, covered with yellowish brown tufted appressed hairs ; petioles 0. 6 - 1. 5 cm long

    葉對生,紙質,圓卵形、近圓形或橢圓形,長4 - 8厘米,端圓形,基部圓形至寬楔形,邊緣除基部外具整齊而稍帶波狀的鋸,兩被黃褐色簇狀短伏毛;葉柄長6 - 15毫米。
  3. On the condition of “ many - head ” and “ small drive ratio ” , the plane double enveloping hourglass worm can not settle the problem of undercutting and sharpening simultaneously. it has devoted to a new type hourglass worm _ sphere double enveloping hourglass worm. the coordinate system is established according to the frock. the meshing equation and the tooth equation of worm and gear have been developed and the distribution of contact line on gear tooth is analyzed. to evaluate the meshing quality , four meshing quality indexes and five original parameters are put forward. through mass programming computing , the relations between meshing quality and original parameters are derived and depicted by graphs

    考慮到平二次包絡環蝸桿傳動在多頭小傳動比條件下根切與變尖的矛盾很難同時解決且嚙合性能較差,介紹了一種新型環蝸桿傳動? ?球二次包絡環蝸桿傳動.在研究過程中,根據工裝建立了坐標系,根據一二包過程的運動關系推得了嚙合方程和蝸桿與蝸輪的方程,分析了蝸輪上的接觸線分佈.為了評價嚙合性能,提出了4項性能指標和5項原始參數,通過大量編程計算得到了嚙合性能指標與原始參數之間的關系,並以圖表直觀的表示
  4. After synthetically studying the effects of loading positions, rim thickness, circular pinion numbers and fillet radii of gear hob on root section stresses, a judging formula of plane stress and plane strain is proposed and verified, then 2d and 3d fem models are accurately established

    系統探討了加載位置、輪緣厚度、周向數的確定方法,分析了滾刀部圓角對根應力的影響,提出了兩類平問題的判據並予以驗證。
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