Objective To investigate the clinical effect of r ad iocephalic arteriovenous internal fistulas created by anastomosis with two trape zoid and symmetrical lobulated flap.

目的探讨应用梯形对称二等分叶小血管吻合法施行头静脉桡动脉内瘘手术的临床效果。

Aimed at the group decision-making problem based on language estimation information, the way of common group mind in trapezia fuzzy number system is mainly discussed.

针对基于语言评价信息的决策问题，重了梯形模糊数体系下的体意见共识方法。

Stress shielding effect of the trihedral fix trough plate,trapezoid compression plate and Tianjin compression plate on the long bone measured with the electrical measuring method.

用电法了三种股骨中段骨折内固定钢板（三面固定槽形板、梯形板、天津板）固定后对骨的应力遮挡效应。

In the light of different position, the mesiodens were extracted respectively by the technique of labial ladder-shaped flap, palate-tongue shaped flap or incision of alveolar ridge crest.

唇侧梯形瓣及牙槽嵴顶部切口术式的术后愈合良好,而腭侧舌形瓣术式的术后有9例分别出现瓣膜肿胀、穿孔及出血。

Ends of the tegular filters (10) are cut off crosswise to make the end surfaces respectively form inclined surfaces such that vertical sections of the tegular filters (10) are in a rough trapezoid.

瓦状滤波器(10)的端部被斜向切除以使端面分别形成斜面，从而瓦状滤波器(10)的垂直截面呈大致梯形。