V2EX wavelength

Wavelength

释义 Definition

wavelength(波长):在物理学中,指波在空间中一个完整周期所对应的距离;常用于描述光、声、电磁波等的特性。日常用法中也可引申为“(与某人)想法一致、合得来”(在同一“频道/波长”上)。

发音 Pronunciation

/wevleθ/

例句 Examples

The wavelength of red light is longer than that of blue light.
红光的波长比蓝光更长。

Scientists measured the laser’s wavelength precisely to ensure the instrument would detect the chemical signature accurately.
科学家精确测量了激光的波长,以确保仪器能准确检测到该化学物质的特征信号。

词源 Etymology

wave(波) + length(长度) 组合而成,字面意思就是“波的长度”。作为科学术语在近代物理与光学发展中逐渐固定,用来量化不同波动现象的空间尺度。

相关词 Related Words

文学与作品 Literary Works

  • James Clerk Maxwell A Treatise on Electricity and Magnetism(电磁理论经典著作中讨论电磁波性质时常涉及波长概念)
  • Richard P. Feynman The Feynman Lectures on Physics(物理学讲义中用“wavelength”解释光与波动现象)
  • Isaac Asimov Understanding Physics(科普写作中频繁使用“wavelength”讲解光谱与电磁波)
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