字典網>> 英漢字典>> R開頭詞條>>R.的意思 漢英字典

R.

中文翻譯:

【醫】 有機根, 列[奧謬爾]氏, 遠的, 呼吸[作用], 呼吸音, 立克次氏體屬
右的, 右側的, 本肯氏單位(X線), 粗糙型菌落, 殘餘, 剩餘, 殘渣, 殘基
R.

英文解釋:

名詞 r.:

  1. a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
    同義詞:roentgen, R
  2. (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
    同義詞:gas constant, universal gas constant, R
  3. the 18th letter of the Roman alphabet
    同義詞:R, letter r
  4. the length of a line segment between the center and circumference of a circle or sphere
    同義詞:radius, r

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