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- The hoisting technique with button pole group was applied smoothly for installing the latticed shell with elliptic surface at Yuncheng Agriculture Exhibition Center. 摘要运城市农业会展中心椭圆曲面网壳结构安装,采用了以拔杆集群为主的吊装方法,保证了工程的顺利完工。
- Asphalt is used for making road surfaces. 沥青常用于铺路。
- The fundamental is that the ray emitted from a focus (front) of elliptical will flock together on the other focus (back) by the reflection on the elliptical surface. 其基本原理是从椭圆的一个焦点射出的光线经椭圆面反射必会聚于另一焦点上,椭圆柱面的前焦点上是射线源,晶体弯曲固定在一个椭圆基底上,其表面构成椭圆柱面,射线源发出的X射线经晶体衍射后会聚于后焦线上,后焦线处放置一狭缝,通过狭缝的射线投射到探测面上被记录下来。
- Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
- elliptic surfaces 椭圆曲面
- On reaching welding heat, the metal surfaces are pressed together. 当金属表面达到焊接热度时就会压在一起。
- The rotation in the elliptic is retrograde. 在椭圆内的运动属于逆进型。
- The Earth's path round the sun is elliptic. 地球绕太阳的轨迹是椭圆的。
- Frosty windows make great surfaces for children to draw on. 有霜的窗户是孩子们画画的好地方。
- Nutlet is Brown, long elliptic, have 3 edge. 小坚果褐色,长椭圆形,具3棱。
- The dialogue is elliptic and full of dark hints. 这次谈话很简单,充满了模糊的暗示。
- Sepals 5, petaloid, white, elliptic. 萼片5,瓣状,白色,椭圆形。
- Anthers elliptic, ca. 0.5 mm.Gynostemium 6-lobed. 花药椭圆形,约0.;5毫米。
- Leaf blade usually ovate to elliptic, or obovate. 叶片通常卵形的到椭圆形,或倒卵形。
- Staminodes narrowly elliptic, 5--6 mm. 退化雄蕊狭椭圆形,5-6毫米。
- Bernhard Riemann pioneered elliptic geometry. 伯恩哈德·黎曼开辟了椭圆几何学。
- Petals elliptic, 1-1.8 mm, apex galeate, glabrous. 花瓣椭圆形,1-1.;8毫米,先端盔状,无毛。
- Sleek surfaces are a hallmark of the style. 光滑的表面是现代派厨房的特点。
- Leaf blade narrowly obovate or narrowly elliptic. 叶片狭倒卵形或狭椭圆形。
- Light rays are absorbed by black surfaces. 光线被黑色表面吸收(而无反射)。