無(wú)窮小量的英文：
dimensionless

參考例句：
  • Newton says he has abandoned the infinitesimal or infinitely small quantity.
    牛頓說(shuō)他已放棄了微元或無(wú)窮小量。
  • The infinitely small "dx" and "dy" were sometimes described as vanishing or incipient quantities
    有時(shí)候把無(wú)窮小量dx和dy描述成正在消失的或者剛出現(xiàn)的量。
dimensionless是什么意思：
n. 無(wú)量綱的，無(wú)因次的
  • dimensionless quantity
    無(wú)因次值|無(wú)量綱的量
  • A dimensionless geometric object having no properties except location.
    點(diǎn)除了位置沒(méi)有其它特點(diǎn)的無(wú)維幾何體
  • A dimensionless physics is not so profound as it may sound, nor would it necessarily be a terminus of man's downward probing.
    無(wú)量綱物理學(xué)不像聽(tīng)起來(lái)那么深?yuàn)W，也未必是人們向深處探索的終點(diǎn)。
  • A very useful tool for scale-up is the dimensionless group. This is the grouping of system variables so as to cancel out their dimensions.
    在放大中使用的一個(gè)很有用的工具是無(wú)量綱數(shù)群。這是系統(tǒng)變量無(wú)因次化的一種組合。

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