Anyone who has really built these sorts of systems knows how much work the data processing can be - and Clojure + Cascading are a massive help for that.

任何构建过这类系统的人都知道数据处理的工作量到底有多大，而Clojure + Cascading帮了大忙。

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In bulk power systems, cascading failures initiated by normal events often lead to blackouts.

在大规模电网中，由简单故障触发的电力系统连锁故障常常会引起大停电的灾难性后果。

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The recorders will accommodate large systems by cascading up to eight DVRs for 126 camera inputs.

通过级联八个DVR用于126个摄像机输出，录像机将适应大型系统。

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The Cascalog system has combined the Cascading system for abstraction of advanced data processing on Hadoop and other systems, the Datalog declarative programming language that is well suited for expressing database queries in an abstract form, and the Clojure language to create a declarative language for queries that can be run on Apache Hadoop.

FORBES: Why Adopting the Declarative Programming Practices Will Improve Your Return from Technology