母橢圓 的英文怎麼說
中文拼音 [mǔtuǒyuán]
母橢圓
英文
generating ellipse-
Black paradise fish inhabits in sluggish, swampy of water bodies, with elliptical and laterally compressed body, black to grayish body ; during spawning season, males exhibit a dark colour ; males have a maximum size about 12cm while females about 8cm
它主要生長在水流緩慢的沼澤水域，身體呈橢圓形，側端扁平，體色偏黑，在繁殖時體色會變得深黑成熟的公魚可長至12公分左右，母魚則長8公分左右。Compression couplings with olives ; swiveling fittings for use with union nuts
橢圓形壓接連接的管接頭.用聯管螺母旋轉連的管接頭Compression couplings with olives ; cylindrical thread nipples for use with union nuts
橢圓形壓接連接的管接頭.用聯管螺母連接的圓柱形螺紋Abstract : based on the basic concept of the revolving shell, the equation of the middle surface generatrix of the approximate ellipsoid portion of the ellipsoidal head is derived, the unwrapped area and the unwrapped diameter of the ellipsoidal head are calculated, the result is compared with that of derived from the real ellipsoid and that of calculated from the empirical equation, relative chart and code are given out, which could be used by manufactures for reference
文摘:根據回轉殼體的基本概念，推導了橢圓封頭的近似橢圓殼部分的中面母線方程，據此推導計算了橢圓封頭的展開面積及展開圓直徑，並根據橢圓殼幾何形狀推導的結果與經驗公式所得結果進行了比較，給出了有關圖表及計算程序，可供製造單位參考使用。Compression couplings with olives ; t - fittings and elbow fittings for use with union nuts
橢圓形壓接連接的管接頭.用聯螺母連接的的三通管接頭Compression couplings with olives ; bulkhead compression couplings small stud and elbow fittings for use with union nuts
橢圓形壓接連接的管接頭.用聯螺母連接的悶頭壓接聯接The xinya symbol whole by " new asia " the chinese pinyin first letter " x " y " the distortion, the ellipse modeling background and chinese name " new asia ", english name " shine " the combination becomes
新亞標志整體由「新亞」漢語拼音的首字母「 」 「 」變形橢圓的造型背景和中文名稱「新亞」英文名稱「 shine 」組合而成。分享友人