在正常航班运营中，如果受到恶劣的环境条件影响，这些电缆由于沉重会加剧损耗。

This cabling is heavy and subject to deterioration due to harsh environmental conditions encountered in normal flight operations.

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因此，提高非正常航班的调度能力已经成为航空公司运行控制管理中的主要工作重点。

Therefore, to improve the management and scheduling abilities of irregular flight has become one of most important work emphases of airlines' operations control management.

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伦敦希思罗机场因为坏天气而取消许多航班之后，现在基本恢复正常了。

Flights at London's Heathrow airport were nearly back to normal after days of weather-related cancellations.

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