The study was to solve the trapezoidal open canal critical depth of water based on the pattern search algorithm.

基于模式搜索算法求解梯形明渠的临界水深。

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The utility model relates to a flow meter of novel, particularly for the measuring occasion of the lockage flow quantity of open canal.

本实用新型涉及到一种新型流量计，特别是用于明渠过闸流量的计量场合。

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This paper introduced the composition, operational principle and character of ultrasonic flow instrument and explains that this is an effective flow test instrument for open canal.

介绍了超声波流量仪的构成及工作原理与特点，说明该设备是一种有效的明渠流量测试设备。

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Residents are being invited to comment on a project to open up a mile-long section of canal on the Surrey and Sussex border for boat trips.

BBC: Wey and Arun Canal boat trip plans on display

But the most fearsome of these fences isn't "The Chair, " a 5-foot-3 high hedge fronted by an open ditch, the sharp bend of the "Canal Turn, " or even the dreaded "Becher's Brook, " with its steep 6-foot-5 drop.

WSJ: Why They Fear Aintree's First

"We will be doing the work when the canal is closed between October and March and the towpath will remain open, " said Mr Higham.

BBC: Work starts on Lancaster's Lune Aqueduct