In this case, I does not vary with v, which we think is very important.

在这种情况下，i不随v变化，这一点我们认为是很重要的。

youdao

Part v: Historical Comparisons: How Do Gender Differences Vary over Time?

第五部分：历史性的比较：不同历史时期的性别差异有哪些不同？

youdao

Like the Corvette ZR1 and the CTS-V Coupe, the wagon is set up on magnetorheological dampers, which use micro-metallic particles in the dampers to vary viscosity according to the car's dynamic sensors.

WSJ: 2011 Cadillac CTS-V Sport Wagon: Insane, Unnecessary, Awesome | Rumble Seat by Dan Neil