The frequency area of big caliber vertex flow transducer is small, frequency unit of flow is very big, the change of ration meter display is very large what confine its wide use.

大口径涡街传感器频率范围很小，单位频率的对应流量很大，配套仪表显示流量的波动大，限制了大口径涡街传感器应用。

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According to EJ/T 586-91 standard and the customer technique request, we carry on physical characteristic test to the big area of gas-flow proportional counter produced by ourself.

按照EJ／T 586-91标准和客户合同技术要求，对我们自主生产的大面积流气式正比计数管进行了物理性能测试。

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The output of this project is a tested and deliverables Flow Engine System that was tested and accepted by Big China Area E-commerce Team belonging to the Computer Information Department.

项目产品是经过大中华人电脑资讯部电子商务组测试并接受的流程引擎系统。

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"The evident destruction of the collection manifold is a big deal in that this by itself is likely to result in immediate cessation of oil flow from the area, " said Jonathan Hutson, a spokesman for the project, which is led by the Harvard Humanitarian Initiative.

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