V2EX tera

Tera

Definition / 释义

tera-:国际单位制(SI)中的前缀,表示 10(1,000,000,000,000,万亿/兆)。常用于度量极大的数量,如 terabyte (TB,太字节)terawatt (TW,太瓦) 等。

Pronunciation / 发音

/tr/

Examples / 例句

The drive has 2 terabytes of storage.
这块硬盘有 2 太字节的存储空间。

Scientists estimated the laser’s peak power in the terawatt range, far beyond ordinary household electricity.
科学家估算该激光的峰值功率达到太瓦级,远远超过普通家庭用电水平。

Etymology / 词源

tera- 来自希腊语 téras / τρα,意为“怪物、巨大的东西”,借此表达“非常巨大”的数量级;在 SI 前缀体系中对应 10

Related Words / 相关词

Literary Works / 文学与著作例证

“tera-” 多见于科学技术与计量标准类著作与文献中,例如:

  • 《国际单位制(SI)手册(The International System of Units, SI Brochure)》(BIPM)
  • 计算机存储与信息技术相关教材、标准与白皮书(涉及 TB、TW 等写法)
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