Packet filtering
[计] 包滤波
🧩 词语组成解析
[计] 过滤
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
Competition for this kind of goods is tough.
这种商品的竞争非常激烈。
In primitive cultures the obligation to seek and to receive the traditional instruction is binding to all.
在原始文化中，寻求和接受传统教育的义务对全民都有约束力。