1)  elliptical hole
卵形孔
2)  egg-shaped arch culvert
卵形拱涵
1.
The egg-shaped arch culvert is applied to bear vast earth pressure under high filling because it has good compressive capability.
卵形拱涵具有良好的抗压性,适合应用在高填方下承受巨大的土压力。
3)  oval curve
卵形曲线
1.
Analysis of the key to setting out and calculation of oval curve;
卵形曲线测设与计算要点解析
2.
It is difficult and complex to survey and calculate the coordinate and tangent orientation angle of arbitrary points on highway oval curve.
针对公路卵形曲线段上任意点坐标和过该点的切线方位角的计算、测设问题,结合工程实例,将卵形曲线转化为完整缓和曲线的一部分,进而推导了简洁、实用、易懂的计算公式。
3.
It s the common way to adopt oval curve to link high_class road interflow type of overpass planeline combination .
根据高等级公路互通式立交桥的平面线形组合常采用卵形曲线连接这一特点 ,引用和推导了卵形曲线的中、边线点位坐标计算公式及应用的要点和采用极坐标测设的精
4)  ogival-nosed projectiles
卵形弹丸
1.
Penetration and perforation of FRP laminates under normal impact by ogival-nosed projectiles;
卵形弹丸撞击下FRP层合板的侵彻和穿透
5)  oval
卵形体
1.
The hydrodynamic characteristics of a 2D oval with length-thickness ratio 7.
0的二维扁卵形体近平壁面运动的水动力特性进行了研究。
6)  ovals
卵形线
1.
The moving points on the geometric locus are observed to study the properties of ovals.
为了考察卵形线的性态,对动点的轨迹曲线进行了研究。
参考词条
补充资料:第二孔(继发孔)型缺损


第二孔(继发孔)型缺损
ostium secondary defect

是心房间隔在形成上发生障碍,一般缺损较大,多在卵圆孔附近称第二孔(继发孔)型缺损。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。