It is ancient origin, and its composition is complex.
且起源古老，成分复杂。
However, for the composite load has the characteristics of complex composition, random time variance and spread over different area, its exact mathematics model is still not built up.
然而，系统中的综合负荷，由于具有构成复杂、随机时变、地域分散等特点，其准确的数学模型一直没有建立起来。
Mixture soil is a kind of the special soil, its complex in composition, a great disparity in size, a great change in mechanics quality.
“混合土”是一种特殊性土，成分复杂，粒径悬殊，力学性质变化较大。
In pervasive computing environment, a single service is very difficult to meet the user's task needs, so its need to use service composition to complete the complex tasks.
普适计算环境中的单一服务很难满足用户的任务需求，需要通过服务的组合来完成用户的复杂任务。
In pervasive computing environment, a single service is very difficult to meet the user's task needs, so its need to use service composition to complete the complex tasks.
普适计算环境中的单一服务很难满足用户的任务需求，需要通过服务的组合来完成用户的复杂任务。
应用推荐