They monitor the flights using special equipment and decision support tools (computers) that ensure a safe and efficient flight.
他们使用特殊的设施和决策支持设备(电脑系统)来保障安全和高效的飞行。
Headquartered in Denver, Colorado, IHS is one of the leading global providers of critical technical information, decision-support tools and related services since 1959.
IHS于1959年成立,总部位于美国丹佛,专注于管理和提供关键技术信息、决策支持工具以及相关服务。
Headquartered in Denver, Colorado, IHS is one of the leading global providers of critical technical information, decision-support tools and related services since 1959.
IHS于1959年成立,总部位于美国丹佛,专注于管理和提供关键技术信息、决策支持工具以及相关服务。
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