Transforms can be stateless or stateful. A stateless transform is just a function that takes chunks and returns transformed chunks:
but it's used for deciding which keywords you plan on using for future content
。爱思助手下载最新版本对此有专业解读
来自泰国 NBTC 机构的认证信息也证明了这个消息——该机器的正式名称为「Leica Leitzphone powered by Xiaomi」。
siftDown(arr, n, i);