The test results were modeled and forecasted by applying. the Grey System Theory for guiding the test process and improving test precision.
应用灰色系统理论对试验结果进行灰色建模和预测，达到了指导试验和提高试验精度的目的。
It is an effective method for improving test precision that the water head loss tests of hydropower station inlet section are performed by increasing discharge or raising reservoir water level.
同时采用加大流量法和提高库水位进行进水口段的水力损失试验，对提高试验精度是一个行之有效的方法。
In this paper was introduced the factors of Influencing technical performance index of piston manometer, and analyzed the calibration and test ways of it and the measures of improving test precision.
文章介绍了活塞式压力计的技术性能指标的影响因素，并对其校验方法和提高测试精度的措施进行了分析。
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