Use the principle of spiral flow and three element vibration.

采用螺旋流动、三元振动原理.

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The measurement indicates that the optimized performance can be achieved by three - element composite columbite precursor methods.

性能测试结果表明,三组元复合先驱体法制成样品的性能最佳.

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Lily: There are three element: suitable beddings, 25 ℃ of room temperature and humidity , rayless light.

有三要素: 合适的寝具 、 25℃的室温和50%至60%的湿度及昏暗的光线.

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