acoa

The rates of the functional patency of the AcoA for men and women were 87.6% and 83.3%, left PcoA 28.9% and 34.1%, right PcoA 34.4% and 29.2%, respectively.

前交通动脉功能开放率男女分别为87.6%、83.3%，后交通动脉左侧分别为28.9%、34.1%，右侧分别为34.4%、29.2%。

Xstrata Coal is also understood to have looked at Felix.

据信,XstrataCoal也对Felix有兴趣.

Based on ant colony optimization algorithm ( ACOA) optimized the parameter of PI regulator, the dynamic indexes of APF system are improved.

采用蚁群优化算法（Ant Colony Optimization algorithm，ACOA）对PI调节器的参数进行优化，以改善系统的响应速度，从而提高了整个系统的瞬时特性。

Methods A retrospective analysis had been made in 56 patients with ACoA aneurysms in respect of the clinical manifestations, imaging findings, surgical therapy and prognosis.

方法回顾性分析56例前交通动脉瘤病人的临床表现、影像资料、手术治疗及预后情况。

The relationship between hypoplasia of A 1 segments and ACoA aneurysms was highly correlative.

A1段发育不全与ACoA动脉瘤可能有较高的相关性。

This thesis describes ant colony as CAS, and expatiates fundamental of ACOA, and makes simulation experimentation to actual Beijing city road network.

本文利用复杂适应系统理论描述了蚁群系统，阐明了蚁群优化算法的基本原理。通过实际的北京市城市道路网，进行了仿真试验。

The shape of AcoA related with the diameter of the double A 1 segments.

ACoA的形态与双侧A1段直径关系密切。

Conclusion There is a close relationship between hypoplasia of A 1 segments and AcoA aneurysms.

结论大脑前动脉水平段（A1段）发育不全与前交通动脉瘤有较高的相关性；