需要量的英文：
demand quantity
requirement

參考例句：
  • Television sets and stereo sound sets are now in great demand
    電視機(jī)和立體聲音響設(shè)備現(xiàn)在的需要量很大。
  • Nutritionists set requirements of dietary fiber at 25- 50 g\day.
    營(yíng)養(yǎng)學(xué)家規(guī)定膳食纖維的需要量為25～50g\日。
  • Pure wool is often mixed with other type fibers and recovered wool to meet the demand.
    純羊毛通常與其它纖維或再生毛混紡以滿(mǎn)足需要量。
  • People who are overweight should look at their calorific, nutritional and dietary requirement beforehand.
    超重的人應(yīng)該看看他們對(duì)熱量，營(yíng)養(yǎng)和規(guī)定食物的需要量是什么。
  • The vitamin B12 requirements appear to depend upon the levels of choline, methionine and folic acid in the diet
    維生素B12的需要量決定于食品中膽堿、蛋氨酸以及葉酸的含量。
  • According to this model a monolayer of fines coating the coarse is the minimum needed to bring the viscosity down
    按照這個(gè)模型，粗粒物料覆蓋以單層細(xì)粉是使粘度降低至細(xì)粉粘度的最小需要量。
demand是什么意思：
n. 要求，所需之物；需求，需要
v. 要求；詢(xún)問(wèn)，質(zhì)問(wèn)；命令；需要
  • It is the demand, stupid.
    傻瓜，答案是需求。
  • Demand exceeds supply. The supply is not adequate to the demand．
    供不應(yīng)求
  • I demand a recount.
    我要求重算。
quantity是什么意思：
n. 量，數(shù)量，許多，大量
  • dimensionless quantity
    無(wú)因次值|無(wú)量綱的量
  • Bill of quantities: The specification of the quantity of materials to be used.
    工程量清單;建筑工程清單;數(shù)量清單:指項(xiàng)目所用材料的數(shù)量及其規(guī)格的清單。見(jiàn)priced bill of guantities
  • Quality is better than quantity
    不求其多,但求其精
requirement是什么意思：
n. 需要；必需品；要求；必要條件；規(guī)定
  • Is the requirement compulsory?
    必須按這個(gè)需求做嗎？
  • In practice, this will often require a prioritization of your job requirements.
    實(shí)務(wù)上，這往往需要重新調(diào)整工作的優(yōu)先順序。
  • All systems requiring accurate timing will require a crystal.
    所有需要精確定時(shí)的系統(tǒng)都要用晶體。

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