扇区划分是空中交通管理的一项重要工作，它直接影响空域的容量和安全性。
The sector partition is an important work of air traffic management, its operation affects the airspace capacity and security.
然后给你一些项目选出原始目录中出现过的项(如：“下面的飞机有那些在你的扇区中？”)。
The person is then presented with a set of items and asked to pick out those that occurred in the original list (e. g., "Which of the following aircraft are in your sector?").
对空域扇区优化问题的研究是空管领域的一项重要的研究课题。
The airspace's sector partition is an important of research problem at the domain of the air traffic management.
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