... 交错环 alternating ring 交错积 alternating product 交错级数 alternate series ...
双语例句
1
Try alternating the anti-dandruff product with regular shampoo until the dandruff clears up, and then switch back to your regular shampoo.
用去屑产品替代常规洗发水，一旦头皮屑清除，就换回常规洗发水。
2
The product of the effective values of the voltage and current with the cosine of the phase Angle between current and voltage in an alternating-current circuit.
伏特量交流电路中电压与电流的有效值以及电流与电压之间相位角的余弦之乘积。
3
The theoretical analysis shows that the intensity of the generated waves is in proportion to the product of the imposed static magnetic field and alternating electrical current.