V2EX ddr

DDR

释义 Definition

DDR 常见有两种用法:

  1. Double Data Rate(双倍数据速率):一种内存/总线数据传输技术与内存类型(如 DDR、DDR2、DDR3、DDR4、DDR5),在一个时钟周期的上升沿和下降沿都传输数据,从而提高带宽。
  2. Dance Dance Revolution:日本科乐美(Konami)推出的音乐节奏街机/游戏系列名。

发音 Pronunciation (IPA)

/di.dir/

例句 Examples

DDR memory can improve system performance.
DDR 内存可以提升系统性能。

The new motherboard supports DDR5, which offers higher bandwidth and better efficiency than older DDR standards.
这块新主板支持 DDR5,相比旧的 DDR 标准提供更高带宽和更好的能效。

词源 Etymology

DDR 是一个首字母缩略词(initialism)。在硬件领域来自 Double Data Rate(双倍数据速率),强调“每个时钟周期传两次数据”的特性;在流行文化中也常指 Dance Dance Revolution,因其影响力而广为人知。

相关词 Related Words

文学与作品 Notable Works

  • Dance Dance Revolution(游戏系列标题本身即包含“DDR”,玩家与媒体常直接以 DDR 指代该系列)
  • 技术类书籍与标准/白皮书中常出现 DDR SDRAM(如关于计算机体系结构、硬件接口与内存子系统的教材与厂商文档中)
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