Controlling maintenance cost is an important task during the aircraft development stage, and estimating the directmaintenance cost (DMC) of the component is a pivotal step in the control processes.
控制维修成本是飞机研制中的一项重要任务，而部件直接维修成本(DMC)的预计是控制过程中的关键步骤。
2
I'll arbitrarily divide them into four areas: failures, network issues not within the direct control of service provider, denial of service, and scheduled maintenance.
我将随意将它们分为四类：故障、不受服务提供者直接控制的网络问题、拒绝服务和预订的维护。
3
Direct database access using JDBC from client to server is discouraged as this creates a tight coupling that greatly complicates application maintenance.