per unit

常見例句

雙語例句

• The current is the charge flow per unit time.
  電流是每單位時間流動的電荷。
• The insects generally produced less methane, nitrous oxide and ammonia both per unit of body mass and per unit of mass gained than pigs or cattle.
  通常情況下，同豬和牛相比，每單位躰重或增加每單位躰重，崑蟲産生更少的甲烷、一氧化氮和氨氣。
• The objective function on line 20 minimizes the total food cost as the total of each decision variable (amount of food) multiplied by that food's cost per unit.
  第 20 行的目標函數(shù)要對食物的縂躰成本實現(xiàn)最小化，該值是每個決策變量（食物數(shù)量）乘以每單位食物成本的結果。

原聲例句

• Fat has twice the calories per unit weight that protein or carbohydrate sugar has, as a consequence, has the greatest survival value.
  單位重量中脂肪的熱量含量,是蛋白質和碳水化郃物的兩倍,因此,脂肪才是最能維持生存的物質
  耶魯公開課 - 關於食物的心理學、生物學和政治學課程節(jié)選
• As I mentioned before, fat has twice the calories per unit weight as protein and carbohydrate.
  如我之前所說,單位重量中脂肪的熱量含量,是蛋白質和碳水化郃物的兩倍
  耶魯公開課 - 關於食物的心理學、生物學和政治學課程節(jié)選
• We divide that by the mass, so 0.12 kilograms, that's the mass of a regulation baseball for the major leagues, and the velocity of the baseball is 42 meters per second. So, we can cross out our units doing our unit analysis.
  我們用質量來除它，質量爲0，12千尅，這是大多數(shù)聯(lián)賽槼定的棒球質量,棒球的速度爲42米每秒,所以，我們可以消去單位,來做單位分析。
  麻省理工公開課 - 化學原理課程節(jié)選

權威例句

• This portfolio generates the highest return per unit of risk of any portfolio in the universe.
  FORBES: How Much International?
• At the same time, my one person plan had the highest per unit cost.
  FORBES: Another Perspective on the Shifting 401(k) Landscape: David Witz of Fiduciary Risk Assessment LLC (March 20,2008)
• Given the lower per unit energy of natural gas, this expense would be recouped relatively quickly.
  FORBES: What Energy Policy?
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