perforation

noun

1. 齿孔
   a small hole in a surface, often one of a series of small holes
   1. Tear the sheet of stamps along the perforations.
      沿齿孔把邮票撕开。
2. 穿孔；穿通
   the process of splitting or tearing in such a way that a hole is left
   1. Excessive pressure can lead to perforation of the stomach wall.
      过大的压力会导致胃壁穿孔。

1. N-COUNT 小孔；小洞；（尤指）纸孔
   Perforations are small holes that are made in something, especially in paper.
   1. Tear off the form along the perforations and send it to Sales...
      沿着纸孔撕下表格，寄给销售部。
   2. When held to the light the small oblong leaves are seen to possess tiny perforations.
      迎着光看时，就会发现椭圆形小叶子上有微小的孔眼。

1. Tear off the form along the perforations and send it to Sales
   沿着纸孔撕下表格，寄给销售部。
2. When held to the light the small oblong leaves are seen to possess tiny perforations.
   迎着光看时，就会发现椭圆形小叶子上有微小的孔眼。
3. Objective To discuss the characteristics and treatments of stomach perforation in newborns.
   目的探讨新生儿胃穿孔的发病特点和治疗方法。
4. Purpose: To evaluate the effect of one stage resection in the treatment of perforation of gastric cancer.
   目的：研究胃癌穿孔患者一期切除治疗的临床疗效。
5. Objective To summarize the experience of diagnosis and treatment of traumatic intestinal perforation.
   目的总结外伤性肠穿孔的诊治方法及经验。
6. The complications of duodenal ulcer that require surgical management are hemorrhage, perforation, obstruction, and intractability.
   十二指肠溃疡需外科治疗的并发症是出血、穿孔、梗阻和顽固性。
7. Objective: To investigate the feasibility of biomedical fibrin glue in laparoscopic treatment of peptic ulcer perforation.
   目的：探讨生物蛋白胶在腹腔镜治疗消化性溃疡穿孔中的应用价值。
8. Objective To study the diagnosis and treatment of typhoid intestinal perforation ( TIP).
   目的探讨肠伤寒穿孔的诊断及治疗方法。
9. This conclusion lays a foundation for the research to variable density perforation in well completion optimization.
   该结论为完井优化中的变密度射孔研究奠定了基础。
10. The relationships among perforation diameter, density, phase and casing strength are clarified.
    明确了射孔直径、度及相位等与套管强度的关系。
11. Conclusion The perforation neoplasty and high selectivity gastric neurectomy can resolve perforation and ulcer can save another operation.
    结论穿孔修补加高选择性迷走神经切断术同时解决了穿孔和溃疡2个问题，可免除再次手术。
12. Conclusion Mixed deafness and sensorineural hearing loss caused by big perforation of tympanic membrane are sensitive on ABR.
    结论ABR对鼓膜大穿孔所致的混合性聋或感音神经性聋表现灵敏。
13. Subphrenic abscess in the main because of gastrointestinal perforation and post-operative infections.
    膈下脓肿的主要病因为胃肠道穿孔和手术后的感染。
14. The effects of perforators nose shapes on the perforation are discussed with the calculated results.
    基于计算结果，分析了弹头部形状对贯穿过程的影响。
15. Complications of gastric ulcers ( either benign or malignant) include pain, bleeding, perforation, and obstruction.
    胃溃疡的并发症（良性或者恶性）有疼痛，出血，穿孔和梗阻。
16. Mud filtrate invasion depth and pollution degree are two important parameters in the optimum perforation design.
    泥浆侵入深度和污染程度是优化射孔设计中的2个重要参数。
17. A perforation, as in a punched card or paper tape.
    在穿孔卡片或纸带上穿孔的一种动作。
18. Actions of hoop steel-bar, portrait steel-bar, and steel plate on perforation block in RCBSP are discussed.
    主要讨论了钢筋混凝土板-钢板中箍筋、纵向钢筋和钢板对弹体贯穿过程的影响。
19. None had complications such as transurethral resection syndrome, hemorrhea and vesical perforation.
    无前列腺电切综合征、大出血、膀胱穿孔等并发症。
20. Background: Iatrogenic esophageal perforation after endoscopy or surgery can be a devastating event.
    背景：在内腔镜检查或手术后医源性食管穿孔是灾难性的结局。
21. And wellbore instability also influences the perforation and sand production, ect in the reservoir development.
    井壁失稳还影响固井，油藏开发中的射孔、防砂、采油和油井增产等后序作业的实施。
22. Objective: to study the diagnosis and surgical treatment of esophageal perforation.
    摘要目的：探讨食管穿孔的诊断与外科治疗方法。
23. Deep lamellar keratoplasty; Corneal ulcer; Perforation.
    深板层角膜移植术；角膜溃疡；穿孔。
24. Major complications for intestinal bleeding, intestinal perforation.
    主要并发症为肠出血、肠穿孔。
25. Perforation density and orientation angles are the most important factors of all to affect formation fracturing pressure.
    主要结论包括射孔密度和射孔方位角是影响地层破裂压力的主要因素。
26. Petforation mechanism and the formation of adiabatic shear band were discussed in relation to the explanation of plugging perforation.
    对穿甲机制进行了分析，讨论了绝热剪切带的形成原因及其在冲塞穿甲中的作用。
27. Objective: To summarize the clinical experience of laparoscopic repair of acute perforation for gastroduodenal ulcer.
    目的：总结腹腔镜胃十二指肠溃疡修补术治疗急性胃、十二指肠溃疡穿孔的临床经验。
28. Objective: To approach the etiological factor, diagnosis and treatment of acute nontraumatic colonic perforation.
    目的：探讨急性非外伤性结肠穿孔的病因、诊断及治疗。
29. Methods Intestinal perforation occurred in air reduction of 8 cases were analysed.
    方法对因空气灌肠整复造成肠穿孔的8例进行分析。

noun

1. the act of punching a hole (especially a row of holes as for ease of separation)

2. a line of small holes for tearing at a particular place

3. a hole made in something
   1. a perforation of the eardrum