The liquid in the pipeline under certain conditions and partially vaporizes into gas state, bubble, formation of gas-liquid two-phase flow which is the process of flash.

管道中的液体在一定的条件下，部分液体气化成气体状态，产生气泡，形成气液两相流这就是闪蒸过程。

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Store task data in any of four managed scopes: request, flash, flow, and conversation; each with their own distinct semantics.

在4个受管理域中存储任务数据：request、flash、flow、和、conversation等，每个都有自己的独特语义。

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Spring web flow gives you new ways of developing stateful web applications by introducing various kinds of scopes for the stateful data; request, flash, flow and conversation.

Spring Web flow引入了几种有状态数据域：request、flash、flow和conversation等，这让你能用新的方式来开发有状态Web应用。

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The only interruption to Capello's measured flow came from the flash photography hoping to capture the image that will encapsulate the early days of his era.

BBC: England boss Fabio Capello