硬度的英文：
hardness

參考例句：
  • Indentation methods of hardness testing comprise two principal groups
    壓痕法測定硬度包括兩大類。
  • The softer rock wears away.
    硬度較低的石頭磨光滑了。
  • degree of hardness and elasticity of a tempered meta
    （金屬回火后的）硬度和彈性.
  • Once a satisfactory system of lubrication has been secured the hardness of the interacting elements becomes critical.
    一旦獲得了滿意的潤滑系統(tǒng)，相互作用的元件的硬度就成為緊要之事。
  • A moderately hard variety of pewter.
    白?中等硬度的白?
  • Pencils are graded according to softness.
    鉛筆根據(jù)硬度分類。
  • With regard to hardness, the diamond is in a class by itself.
    講硬度，金剛鉆是獨一無二的。
  • The temper of steel is higher than that of aluminium.
    鋼的硬度比鋁高。
  • Minerals usually differ in hardness.
    礦物的硬度往往不一樣。
  • Cone imprint
    (硬度試驗器)錐印痕
hardness是什么意思：
n. 堅硬；困難；冷酷
  • It is hard to conclude.
    這很難斷定。
  • It is blowing hard.
    風刮得很大。
  • It was sleeting hard.
    雨雪霏霏。
  • To bear hard upon;press.
    使痛苦不堪對某人施加困難；逼迫
  • press hard upon
    進逼|壓迫|窮追

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