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1·Divides a single flow into concurrent flows.

将单一流程分成并行的流程。

2·Combines concurrent flows into a single flow.

将并发流合并为单个流。

3·Since 1985, research on simulation and modeling of concurrent flow, counter flow, cross flow, mixed flow grain dryers had been accomplished.

从1985年至今，顺流式、逆流式、横流式以及混流式谷物干燥机的研究已经取得了成功。

4·Besides showing the flow between the actions in an activity like a flowchart, the activity diagram can also show parallel or concurrent flows and alternate flows.

除了展示活动中动作之间的流，类似流程图，活动图还可以展示并行或并发的流，及交替的流。

5·Passing through contrasting experimental investigation of drying process in traditional concurrent-flow and intermittent concurrent-flow in a model apparatus, the better tempering time was determined.

在自行研制的顺流干燥试验台上，利用水稻对传统顺流干燥工艺与间歇式顺流干燥工艺进行对比试验研究。