求翻译：指参与活动执行的第j种资源类型单位时间成本， 指参与活动执行的第j种资源类型的数目， 指参与活动执行的第j种资源类型的执行时间。是什么意思？

Refers to the unit time cost of resource type j is involved in the implementation of activities, refers to participation in the implementation of activities j is the number of resource types, referring to participate in the execution time of j is the type of the implementation of activities.

Refers to the implementation of the activities involved in the J type of resource, cost per unit of time to participate in the implementation of the activities of the resource types J, refers to the number involved in the implementation of the activities of these resource types J the execution time.

Refers participates in the active execution the jth resources type unit time cost, refers participates in the active execution the jth resources type number, refers participates in the active execution the jth resources type execution time.

J resource type of units involved in the activity execution time cost, refers to participation in the activities of j number of resource types, j type of resource involved in the activity execution execution time.

正在翻译，请等待...