This is called a "funnel flow" pattern, in which some material moves while the rest remains stationary during discharge.

这叫做“通道流动”模式。其中，一些材料输运的同时，另一些材料在卸料时静止。

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Other causes to look for are insufficient drying or funnel flow inside the drying hopper-when material at the center flows quickly while material near the wall stagnates.

其它原因就是看看是否干燥不够或者在干燥料斗中存在漏斗流动- - -中心材料流动得快，而料斗壁附近的料静止不动。

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Reporting and tracking results will be analyzed and flow back into the optimization of the marketing campaigns and the website funnel.

分析报告并跟踪结果，将之反馈到营销活动和网站的优化上。

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For example, you can create links between Marketo, Google Spreadsheets and Salesforce.com (NYSE:CRM) to see how customers flow through the funnel.

FORBES: Andreessen Horowitz, Che Guevara And Changing the World