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.
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