SN-0240 已核对来源，附原文与上下文。
没错，难度调整就是为了让网络整体保持平均每小时 6 个区块。你的区块成熟时间将始终在 20 小时左右。
Right, the difficulty adjustment is trying to keep it so the network as a whole generates an average of 6 blocks per hour. The time for your block to mature will always be around 20 hours.
最近这次调整让我们又回到了接近每小时 6 个区块。
The recent adjustment put us back to close to 6 blocks per hour again.
有个网站可以看到区块之间的间隔时间，从区块 68545 起，大约是每 10 分钟一个区块：
There's a site where you can see the time between blocks, and since block 68545, it's been more like 10 minutes per block:
