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- trapezoidal keratotomy 菱形角膜切开术
- Trapezoidal no volume! It is a planar graph! ! ! 梯形没有体积！它是一个平面图形！！！
- Beijing’s wonton skin Why is trapezoid? 北京的馄饨皮为何是梯形的?
- A double trapezoidal specimen will generate shear debonding. 双梯形的试样将产生切变脱胶现象。
- A trapezoid is a quadrilateral with two parallel sides. 梯形是具有两平行边的四边形。
- These patients underwent a standard eight-incision radial keratotomy procedure. 我们所采取的手术为标准八刀切开方式。
- For making fine turning and trapezoid threading turning tools. 制造精车刀和螺纹车刀。
- An excimer laser with beam delivery system for corneal radial keratotomy[J]. 引用该论文 袁才来;王书泽;乐耀康;蒋宝财;徐松庆.
- I can't tell if that object is a parallelogram or a trapezoid. 那个物体是什麽形状？那样东西是什麽形状？
- A common window is typically rectangular, but this window is trapezoidal. 一般窗户都是长方形的，这扇窗户是梯形的。
- The sound box is trapezoid in shape, and decorated with ethnic motifs. 木制音箱呈梯形上面饰有具有民族色彩图案，
- The equation of deformation for the case of a trapezoid bar is given. 梯形杆件的形变方程.
- The line that joins the midpoints of the nonparallel sides of a trapezoid. 中线梯形非平行两边的中点连线
- We tested contrast sensitivity in 14 patients (28 eyes), ranging froth 1 to 24 months after radial keratotomy. 摘要我们测试十四位（二十八眼）接受放射状角膜切开术之病人之对比敏感度，测试时间由术后一至二十四月不等。
- Radial Keratotomy（RK）and Photorefractive Keratectomy （PRK) are other refractive surgeries used to reshape the cornea. 其他用于角膜重新塑形的外科手术还有放射状角膜切开术(RK)和光性折射角膜切削术（PRK）。
- The traditional trapezoid style could be used as a practical tool for cooking during blackout. 传统的梯形风格可在停电时被用作实用的烹饪工具。
- The laser surgery for vision correction that replaced radial keratotomy (e.g., Lasik and other procedures) is not associated with visual disturbances at high altitudes. 取代前项技术，用以矫正视力的雷射手术与高海拔的视觉障碍并无直接关系。
- Stepwise regression analysis was used to build mathematical model of radial keratotomy(RK), for analyzing factors influencing on the result, and predicting the RK result. 本文运用逐步回归方法建立放射状角膜切开术预测系统的非线性数学模型，分析各因素对手术效果的影响。
- The present study was to evaluate wheather radial keratotomy produces an alteration in contrast sensitivity by comparing this function in operated versus unoperated eyes. 这项研究的目的在以比较手术眼与未手术眼之对比敏感度差异，来评估放射状角膜切开术对其所造成的影响。
- Trapezoidal: A four-leg course configuration with separate starting and finish lines. 梯形:一种航行路线,分四站,有不同的出发与冲刺线。
