Provide a mechanism to control transactions on a task-by-task basis for each activity.
提供一种机制以逐个任务为基础控制每个活动的事务。
Injecting RBAC mechanism into task nodes to restrict the role attribute can secure the access control of the workflow.
在任务节点中引入RBAC机制对角色属性进行约束以实现对工作流的安全存取控制。
Understanding of the nature of elemental sulfur and sulfur deposition mechanism, prediction and control techniques to a high-sulfur gas exploration was an important task.
了解元素硫的性质、硫沉积的机理，采取预测与防治技术是高含硫气井开采中的一项重要任务。
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