So, 6.5x was every four months, 6.0x every eight months, and 5.x every twelve months.

5x每4个月一次，6.0x 每8 个月一次，5.x 每12 个月一次。

youdao

So, 6.5x was every four months, 6.0x every eight months, and 5.x every twelve months.

5x每4个月一次，6.0x 每8 个月一次，5.x 每12 个月一次。

youdao