V2EX true north

True North

释义 Definition

True north 指“真北/地理北极方向”,也就是沿着地球经线指向地理北极的方向;与磁罗盘所指的 magnetic north(磁北) 相对。在引申义中,也可指个人或组织的“核心方向/原则”。

发音 Pronunciation (IPA)

/tru nrθ/

例句 Examples

The map shows true north at the top.
地图上方标示的是正北(真北)。

In a storm, the navigator corrected for magnetic declination to find true north and keep the ship on course.
在暴风雨中,领航员校正了磁偏角以确定真北,从而让船只保持航向。

词源 Etymology

true 源自古英语 trēowe,有“真实的、可靠的”之意;north 源自古英语 nor,表示“北方”。合在一起,true north 字面意思就是“真实的北方”,用来区分会受地磁影响的“磁北”,强调以地理北极为基准的方向。

相关词 Related Words

文学作品 Literary Works

  • James A. Michener Alaska(作品中涉及测绘、地理与航行语境时会出现如 true north 等方向术语)
  • Herman Melville Moby-Dick(航海叙述中常见与“北、罗盘、航向”相关的词汇与表达,可能出现 true north 或同类用法的方向对照)
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