三尖的

This paper discusses the formation and properties of the inner cycloid and the principle of the tritubercular cycloidal pump is illustrated.

论述了内摆线的形成和特性及三尖摆线泵的工作原理。

With a mouthful of three-pointed teeth, the frilled shark may be a fearsome hunter, but it's considered harmless to humans.

有个一张满嘴三尖点牙齿的嘴皱鳃鲨，可能是个可怕的猎人，但它被视为对人类无害。

Objective: To explore the application value and the guidance for surgical operation of transthoracic echocardiography and multiplane transesophageal echocardiography in the diagnosis of Ebstein's anomaly.

目的：探讨经胸超声心动图和多平面经食管超声心动图在三尖瓣下移畸形诊断中的应用价值及对外科手术的指导意义。

Our synthesis is characteristic of ready availability of starting material (piperonal, ethyl oxalate, allyl bromide, ethyl 4-bromobutyrate), operationally simple reactions with cheap reagent chemicals, and atom economy.

在合成过程中，我们没有使用任何保护基，也没有将反应活性中心氮原子钝化；相反地，利用这一富电子活性中心的许多反应来构筑我们的三尖杉碱环系。

Methods The portal vein flows in 19 normal subjects and 25 adults with different degrees of tricuspid regurgitation were observed by echocardiography.

我们观察了19 例正常人及25 例不同程度的三尖瓣返流患者的门静脉血流频谱。

Background: We reviewed the patients who underwent tricuspid valve replacement to compare the long-term clinical results of bioprosthetic valve with mechanical valve in tricuspid position.

背景： 对接受过三尖瓣置换术的患者进行回顾，比较生物瓣膜和机械瓣膜的远期临床效果。

Methods We examinated 880 patients with heart murmur,viewed shape、size and movement of mitral valve and tricuspid valve,and hemodynamic variation.

利用二维及彩色多普勒技术观察880例有心脏杂音患者的二、三尖瓣的形态、大小、活动及血流动力学变化。

Background: We reviewed the patients who un der went tricuspid valve replacement to compare the long-term clinical results of bioprosthetic valve with mechanical valve in tricuspid position.

背景：对接受过三尖瓣置换术的患者进行回顾，比较生物瓣膜和机械瓣膜的远期临床效果。

Objective:The purpose was to assess the incidence of inferior-vena caval/tricuspid valve isthmus dependent atrial flutter and the effectiveness and safety of catheter ablation tollowing heart disease surgery.

目的：报道先天性心脏病术后下腔静脉口-三尖瓣环峡部依赖性心房扑动的相对发生率及导管消融的疗效和安全性。

A study on bisflavone constituents and chemotaxonomy of Cephalotaxus.

三尖杉属植物的双黄酮成分及其化学分类的研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。