结论先天性COA并PDA患者可用双球囊可扩张性主动脉带膜支架治疗，且安全、有效。
Conclusion The double balloon expandable graft-stent implantation for patients with COA complicated by PDA might be safe and effective.
对具有泛包络代数结构的量子力学控制系统，研究了泛包络代数的可扩张性和系统状态的定义域问题。
For quantum mechanical control systems with structures of universal enveloping algebras, the thesis studies the enlargability of the universal enveloping algebras and the domain problems.
这些特征保证了可扩充性，可靠性和可扩张性，所有必须遵循的特征为了实现表现未来AI世界里的标准这个最终目标。
These features guarantee scalability, reliability and expansibility, all mandatory features to reach the final goal to represent the future standard on the AI world.
可公度性是周期性的扩张。
目的：评价可弯曲支气管镜介导下球囊扩张气道成形术治疗良性气管支气管狭窄的疗效和安全性。
Objective To assess the efficacy and safety of balloon dilatation using a flexible bronchoscope in the management of benign tracheobronchial stenosis.
岩体的可灌性不仅取决于受灌裂隙的初始开度，还与在灌浆压力作用下裂隙的弹性扩张值有关。
The groutability of jointed rock should be increased by the grouting pressure because of the elastic expansion of grouted fractures.
半数病人可并发遗传性毛细血管扩张症，还可并发脑梗塞和脑脓肿。
About half of the patients supervene telangiectasis, and also associated with cerebral infarction and brain abscess.
结果皮肤扩张可造成局部皮肤的退行性损伤，甚至可引起无菌性炎症反应。但其局部免疫功能和抗感染能力未受到影响。
Results Regressive injury after topical skin expansion, aseptic inflammation could be induced, but there was no change about local immune function and anti-infective function.
用食道扩张刺激为基础，以电铃声或节拍器声作为条件刺激，可形成胃容受性舒张的条件反射。
By using the receptive relaxation reflex of the stomach as a basis, artificial conditioned reflex has been established with the sound of an electric bell or a metronome as indifferent stimulus.
用食道扩张刺激为基础，以电铃声或节拍器声作为条件刺激，可形成胃容受性舒张的条件反射。
By using the receptive relaxation reflex of the stomach as a basis, artificial conditioned reflex has been established with the sound of an electric bell or a metronome as indifferent stimulus.
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