在对不同药液引起的荷质比值的变化不作考虑的情况下，以水溶液代替药液，运用电晕充电法进行荷电喷雾，研究了测量系统对荷质比测量精度的影响。
By neglecting the value change of the charge to mass ratio caused by the different pesticide solution, the corona charging method was used with water solution replacing pesticide solution.
等效弹性模量差比法是根据岩石的等效弹性模量差比值建立的。
Based on the difference ratio of the rock's equivalent modulus of elasticity, the differential ratio method of equivalent modulus of elasticity is established.
等效弹性模量差比法是根据岩石的等效弹性模量差比值建立的。
Based on the difference ratio of the rock's equivalent modulus of elasticity, the differential ratio method of equivalent modulus of elasticity is established.
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