V2EX kbps

KBPS

释义 Definition

kbpskilobits per second 的缩写,表示“每秒千比特”,常用于描述数据传输速率/比特率(例如网络速度、音视频码率)。在日常语境中常被口语化理解为“网速”,但它严格指的是比特(bit)而非字节(byte)。

发音 Pronunciation (IPA)

/ke bi pi s/

例句 Examples

The stream looks fine at 800 kbps.
以 800 kbps 的码率播放时,这个直播画面看起来不错。

Although the file is small, the download is slow because the connection is limited to 256 kbps during peak hours.
虽然文件不大,但由于高峰时段连接被限制在 256 kbps,下载还是很慢。

词源 Etymology

kbps 由计量前缀 kilo-(千) + bit(比特) + per second(每秒) 组合而来,是信息与通信领域常用的速率单位写法之一。需要注意:在一些场景里 k 可能按十进制“1000”理解(常见于网络速率),而在计算机存储等领域也可能出现按二进制“1024”近似的混用,但网络速率通常以 1000 为基准。

相关词 Related Words

文学与著作中的用例 Literary Works

  • TCP/IP Illustrated, Volume 1: The Protocols(W. Richard Stevens)在讨论链路与吞吐量等概念时常见速率单位(如 bps/kbps)。
  • Computer Networking: A Top-Down Approach(Kurose & Ross)在讲解网络性能与传输速率时会使用类似 kbps 的单位表示。
  • HTTP: The Definitive Guide(David Gourley 等)在涉及网络传输与性能描述时常出现速率单位(包含 kbps 一类表达)。
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