credit 这边怎么理解? when an operator action is part of an sis, the availability and reliability of the operator action must be specified in the srs and included in the performance calculation for the sis. the credit that can be taken will need to be limited by human factor issues such as how quickly action needs to be taken and the complexity of the tasks involved. 当操作员的操控作为sis的一部分,操作员操控的有效性和可靠性必须在srs中详细说明并且包括在sis性能计算内。其可靠性受采取操作所需的反应时间和相应工作的复杂度等人为因素限制。查看更多