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- On the base of Hertzian stress theory of elastic mechanics,a new kind of disk cam mechanism whose follower has concave circle arc bottom is developed. 根據彈性力學(xué)的赫茲應力理論，提出了一種從動(dòng)件結構形狀為凹圓弧底的新型盤(pán)狀凸輪機構。
- Also the curves can express the circle arc and ellipse arc and can construct rotate surfaces. 同時(shí)它還能精確表示圓弧、橢圓弧等二次曲線(xiàn),推廣到空間即可以表示旋轉曲面。
- It accurately calculates the length of each circle arc segment and beeline segment and elicit the calculation method of perimeter on the basis of shape analysis of semicircle welded pipe. 在對半圓形焊管形狀分析的基礎上,精確計算了各圓弧段、直線(xiàn)段的長(cháng)度,得出了周長(cháng)的計算方法。
- circle arc cylindrical worm screw 圓弧圓柱蝸桿
- The circle arc interpolation algorithm of eight octants 八卦限式的圓弧插補算法
- She only unbends in the family circle. 她只在家庭環(huán)境里才不拘束。
- An arc is a part of the circumference of a circle or other curved lines. 弧是圓周或曲線(xiàn)的一部分。
- Joan of Arc was one of France's greatest daughters. 圣女貞德是法國最偉大的女性之一。
- The children formed a circle round her. 孩子們在她周?chē)鷩闪艘粋€(gè)圈。
- We've booked seats in the circle. 我們預訂了樓廳包廂的座位。
- Joan of Arc was burnt (alive) at the stake. 圣女貞德在火刑柱上被(活活)燒死。
- Joan of Arc was made a saint in 1920. 1920年，貞德被追封為圣女。
- He has a large circle of friends. 他有一大群朋友。
- She moves in a very small circle. 她的活動(dòng)圈子很小。
- The sun appears to move in an arc across the sky. 太陽(yáng)看起來(lái)在天空以弧線(xiàn)運行。
- He has a wide circle of acquaintances. 他交游甚廣。
- A planar region bounded by a circle. 圓形區，圓形空間被圓所包圍的一個(gè)平面區域
- A square has four sides but a circle has no sides. 正方形有四條邊，而圓形沒(méi)有邊。
- Sorry, exercise circle is sold out. 對不起，健身圈賣(mài)完了。
- He has only a narrow circle of friends. 他交游不廣。
