...了一个组织教学的模型，认为每个任务驱动教学包括下面＝ 个阶段：1）前任务活动阶段：介绍主题和任务；2）任务周期（Task Cycle）：完成任务，准备报 告计划；3）语言聚焦（Language Focus）：分析和再练习。
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并针对FMS可靠性增长的特点提出了可靠性增长评估结果的任务周期修正法。
To the characteristic of FMS, we present a method to update the result of evaluation according to the duty circle.
工程师告知国会航天飞机任务周期可能为一周一次，这样NASA才有可能分期偿还其多次发射的开销；结果每年只有寥寥几次。
Engineers told Congress that shuttle missions might fly up to once a week, allowing NASA to amortise its development costs over lots of launches; in the event there have been only a handful each year.
业务过程和人工任务支持几个生命周期选项。
Business processes, as well as human tasks, support several life cycle options.
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