To establish coefficient multiplying ratio spectrophotometry for determination of pyramidon andcaffeinein naoning tablet .

建立脑宁片中氨基比林咖啡因的系数测定法。

Research of the influences of Foam Expansion Ratio (FER) and the stability of foam to the cutterhead torque.

通过对试验结果的分析,得出气稳定性以及发对刀盘扭矩的影响规律。

Dunlop photographed this belted kingfisher near his home. The real estate appraiser used a 600mm lens and 1.4x teleconverter.

邓普，房地产评估师，用600毫米镜1.4望远镜拍摄了这只白颈蓝翠鸟。