This paper studies the management model of multi-cluster, presumes two methods: user-decided and system-decided, and stabiles a MCJSS structure based on PBS.

研究多集群的管理模式，设计支持多集群的用户决策和系统决策两种调度方式，提出基于PBS的多集群作业调度MCJSS架构。

youdao

Evidence we have seen suggests that Syrian government forces delivered the 122mm cluster munition rockets containing submunitions using a BM-21 Grad multi-barrel rocket launcher, a truck-mounted system capable of firing 40 rockets nearly simultaneously with a range of 4 to 40 kilometers (2.5 to 25 miles).

CNN: The gruesome toll of deadly cluster bombs in Syria