V2EX kd

KD

定义 Definition

KD 常见为缩写/首字母词,最常见用法包括:

  1. (游戏)K/D:击杀/死亡比(kill/death ratio)。
  2. (生物化学)kDa / KD(口语或误写):指“千道尔顿”(kilodalton),用于表示蛋白质等分子的相对分子质量。
    (在不同领域里 KD 还可能指其他含义,如地名缩写或人名首字母。)

例句 Examples

My KD improved after I changed my strategy.
我调整策略后,K/D(击杀/死亡比)提高了。

The protein band at about 70 kDa (sometimes written as KD in informal notes) was strongly expressed under stress conditions.
在压力条件下,约 70 kDa(有时在非正式笔记里会写成 KD)的蛋白条带表达很强。

发音 Pronunciation

/kedi/

词源 Etymology

KD 属于由两个英文字母组成的缩写,读作字母名 K + D。不同学科会把它用作不同术语的简写:在游戏语境中多来自 K/D(kill/death);在生物化学中更规范的写法通常是 kDa(kilodalton)

相关词 Related Words

文学与作品 Notable Works

  • Molecular Biology of the Cell(《细胞的分子生物学》):常用 kDa 标注蛋白质分子量。
  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》):在蛋白与酶章节中频繁出现 kDa 计量标注。
  • 电竞与游戏统计类报道/攻略(如赛事数据分析文章):常以 K/D 作为关键表现指标之一。
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