The eight-year contract includes training and instruction, site management, engineering support, and operation and maintenance for the aircrew training devices.
该合同长达八年，包括培训指导、现场管理、工程技术支持以及训练设备的操作维护。
2
Given that a stereotype can be applied only once on a single element, you can apply the Fault Contract stereotype to an operation only once.
既然一个构造型对单个元素只能应用一次，所以您对一项操作只能应用Fault Contract一次。
3
A Fault Contract can be associated with a service operation to denote errors that can be returned to the caller.