ptas

英 美

n.  家长教师联谊会，家长教师会(全写为parent-teacher association)
PTA的复数

柯林斯词典

  1. 家长教师联谊会；家长教师会
    A PTA is a school association run by some of the parents and teachers to discuss matters that affect the children and to organize events to raise money. PTA is an abbreviation for (缩略=) 'parent-teacher association'.
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    双语例句

    1. By the end of 1998, PTAs at municipal, prefectural and county levels and the provincial post offices had been set up and begun their operations within the new system.
      到1998年12月底，各市地县邮政局、电信局和省邮政局都已组建完毕，按照新体制开始运转。
    2. The number of Parent-Teacher Associations ( PTAs) is increasing and reached 723 in the 1999-2000 school year.
      家长教师会的数目不断上升，在一九九九至二零零零学年已有723个。
    3. There are a couple surnamed Huang gave birth to three daughters, have gone to the marriageable age, very strict because of PTAs, three daughters who are still virgin.
      有一对姓黄的夫妻生了三个女儿，转眼都到了适婚年龄，因家教甚严，三个女儿都还是处女之身。
    4. The cause was central bronchogenic carcinoma in 9, metastatic tumor in 4, and lymphoma in 1. Results The primary recanalization rate was 86%.
      病因包括：中心型肺癌9例，纵隔转移瘤4例，淋巴瘤1例。应用经导管局部溶栓+内支架成形术（PTAS）治疗。
    5. Objective To report the preliminary experience of percutaneous transluminal angioplasty and stenting ( PTAS) in treating intracranial vertebral artery ( VA) and basilar artery ( BA) stenosis.
      目的探讨经皮血管支架成形术治疗椎动脉颅内段和基底动脉狭窄。
    6. We provide a polynomial time approximation scheme ( PTAS) to solve it.
      我们提出一个多项式时间近似方案来解决此问题。
    7. Conclusion PTAS can effectively relieve blood circulation disturbance, and may become a main method in treating of brachiocephalic artery stenosis or occlusion due to technically easy performance. caused by coronary artery stenosis.
      结论经皮血管内支架成形术可有效解除头臂动脉阻塞所致的血液循环障碍，因其技术简便，可成为治疗头臂动脉狭窄或闭塞性疾患的主要治疗手段。
    8. Conclusions CDFI is an inspecting method to evaluate the curative effect of renal artery stenosis PTA& PTAS and to identify re stenosis, which is of no hurt, easy and reliable.
      结论彩色多普勒超声是评价肾动脉狭窄PTA和PTAS术疗效及识别再狭窄的一种无创、简便、可靠的检查方法。
    9. The average stenosis rate after PTAS was 4.4%.
      术后平均狭窄率4.4%。
    10. Conclusion PTAS is an easy, safe and effective therapy for patients with vertebrobasilar artery stenosis. The treatment results are good in the short-term follow-up.
      结论PTAS是治疗症状性椎基底动脉狭窄简便、安全、有效的方法，近期随访效果较好。
    11. Conclusion Transluminal stent-assisted angioplasty can alleviate symptom of ischemia and improve prognosis of symptomatic vertebrobasilar artery stenosis.
      结论症状性椎基底动脉狭窄应用PTAS治疗，可以减轻患者的临床缺血症状和改善预后。
    12. A polynomial time approximation scheme ( PTAS) for this problem is presented.
      给出了一个多项式时间近似方案（PTAS）。
    13. We construct an new 2 dimension networks based on the given networks, using the algorithm of restricted shortest path problem, we then give a polynomial time approximation scheme for this problem with two pair of points.
      本文设法在原有网络基础上构造出一个新的2维网络，然后利用约束最短路问题的算法给出一个点对数为2时的多项式时间近似方案（PTAS）。
    14. Objective To discuss the questions about indication, operation method and the management during operation of percutaneous transluminal angioplasty and stenting ( PTAS) in the aged(≥ 70 years old) with extracranial carotid stenosis.
      目的探讨老年（≥70岁）颅外段颈动脉狭窄患者经皮血管内支架成形术（PTAS）的适应证、手术方法及围手术期处理等相关问题。
    15. Method Sixteen cases were diagnosed by digital subtract angiography ( DSA) and received PTAS with self-expand stent by the approach of femoral artery.
      方法本组收集16例老年颅外段颈动脉狭窄患者经全脑数字减影血管造影（DSA）检查诊断后，均采用经股动脉入路应用自膨式支架行PTAS治疗。
    16. Methods The clinical characteristics and imaging records of 78 patients accepted PTAS for symptomatic or asymptomatic carotid stenosis reviewed and analyzed.
      方法对78例经皮血管内支架置入手术治疗的症状性和非症状性颈动脉狭窄患者的临床特点及影像学资料进行回顾性分析。
    17. Methods From April 2003 to June 2004, the PTAS was performed in 28 patients with the vertebrobasilar stenosis.
      方法2003年4月至2004年6月，对28例椎基底动脉狭窄患者进行了经皮腔内血管成形和支架植入术治疗；
    18. Conclusion PTAS is an easy and safe therapy for aged patients with extracranial carotid stenosis.
      结论PTAS是治疗老年颅外段颈动脉狭窄的简便安全有效方法之一。
    19. Objective To evaluate the renal artery hemodynamic changes after renal artery stenosis percutaneous transluminal angioplasty ( PTA) and percutaneous transluminal angioplasty stenting ( PTAS) by color Doppler flow imaging ( CDFI).
      目的以彩色多普勒超声评估肾动脉狭窄扩张成形术（PTA）和支架植入术（PTAS）后肾动脉血流动力学变化。
    20. Patient occurred restenosis with no symptoms in 1 year after PTAS, and he was treated with "wait and see".
      1例术后1年发生支架内再狭窄，病人无症状，予以动态观察。
    21. Methods The complications and long-term results of149 PTAS procedures on128 patients were analyzed retrospectively.
      方法回顾128例缺血性脑血管病患者PTAS治疗后的并发症及处理方案。
    22. In the third sections we put forward a polynomial time approximation scheme ( PTAS) for the improved bi-directed ring loading problem, including the fifth chapter.
      第三部分提出改进的有向环负载问题的多项式时间近似方案，包括第五章。
    23. Objective To study the efficiency, security and feasibility of percutaneous transluminal angioplasty and stenting ( PTAS) for symptomatic vertebrobasilar artery stenosis.
      目的探讨经皮血管内支架成形术（PTAS）治疗椎基底动脉狭窄的有效性、安全性及可行性。
    24. Objective: To study the percutaneous transluminal angioplasty and stenting ( PTAS) in treatment of extracranial artery stenosis and its short to mid-term outcomes. Study the efficiency and safety of the method.
      目的：观察颅外动脉狭窄的经皮血管内支架成形术（percutaneoustransluminalangioplastyandstenting，PTAS）治疗及其短-中期临床疗效，探讨其有效性与安全性。
    25. Global dynamics in a single PTA and in different PTAs can be studied by global relations, namely a kind of equivalent forms.
      一个PTA内部以及不同PTA内部间的全局动力学能通过全局关系加以研究。
    26. Spatial evolutions of open flows, subsequently, can be described by different PTAs.
      籍此开放流场的空间演化可由不同形式的PTA来描述。
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