Experiment indicated that this flow meter reached 1.5 precision grade.

实验表明选通细化超声流量计准确度等级为1.5级。

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According to the rule of satisfaction model of index, precision grade and tolerance grade was calculated.

按照指数满足度模型准则，计算精度等级、公差等级。

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External structure: made up by high precision grade steel profiles, aluminum decorative buckle gusset plate.

外部结构：由高精级钢制型材组合而成，外扣铝制装饰扣板。

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Designed with Creative Users in MindSturdy and portable, the Modbook Pro has a strongest-in-class enclosureand lightweight internal core made of aircraft-grade, precision-machinedaluminum.

ENGADGET: The Modbook Pro gets official, CEO Andreas Haas talks success in an iPad world