为快速检测蔬菜上的农药残留，建立了两种快速检测方法：速测卡法和酶抑制率法。

To detect pesticide residues in vegetables rapidly, two rapid detection methods, rapid detection card method and enzyme inhibition rate method were established.

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反射仪-硝酸根试纸法快捷简便，是蔬菜氮素营养诊断和蔬菜硝酸盐含量监测的理想的现场速测技术。

So the nitrate test-strip-reflectometer method could rapidly monitor the nitrate level of vegetables and soils in the field and market scene.

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基于叶尖定时测振原理，对利用速矢端迹法分析叶片同步共振幅值的方法做理论推导，建立叶片同步共振的分析模型并进行仿真。

Theoretical derivation is done to the analyzing method of synchronous blade vibration by using speed-vector-end-tracking method, and so is the computer simulation to measurement process.

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