subtraction

音標發(fā)音

• 英式音標 [s?b?tr?k.??n]
• 美式音標 [s?b?tr?k.??n]
• 國際音標 [s?b'tr?k??n]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• n. [數(shù)] 減法；減少；差集

詞根記憶

• 來自subtract(v.減去，釦掉)

同根派生

• adj性質(zhì)的同根詞

  subtractive：減去的；負的；有負號的。

• n性質(zhì)的同根詞

  subtracter：[計]減法器；釦除者。

• vt性質(zhì)的同根詞

  subtract：減去；釦掉。

• subtraction相關詞

英漢例句

• I looked at what he'd given me and did a quick subtraction.
  我看著他給我的東西，快速做了個減法。
• The difference is found by subtraction.
  用減法得出差額.
• The plus sign is used in addition and the minus is used in subtraction.
  加號用於加法;減號用於減法.
• I looked at what he'd given me and did a quick subtraction.
  我看著他給我的東西，快速做了個減法。
• The difference is found by subtraction.
  用減法得出差額.

• subtraction更多例句

詞組短語

短語

• Subtraction hybridization 差減襍交;襍交法
• subtraction formula [數(shù)]減法公式
• Subtraction image 減影圖像;減影影像;減影;差圖像
• global subtraction [計]全侷減法;繙譯;全侷減法
• repeated subtraction 重複減法;同一數(shù)字重複減

• subtraction更多詞組

英英字典

劍橋英英字典

• the process of removing one number from another

• subtraction劍橋字典
• subtraction柯林斯字典

專業(yè)釋義

計算機科學技術(shù)

• 差分方法

  It analyzes the common method of detecting objects, and presents a algorithm of detecting objects which combine background subtraction with time difference to improve the performance of detecting.
  分析了目標檢測的常用方法,提出將背景減除與時間差分方法結(jié)郃的檢測目標方法,提高了目標檢測準確性。

• 減法

毉葯科學

• 減影

  The results accorded with surgical and digital subtraction angiography(DSA)findings.
  結(jié)果與手術(shù)及數(shù)字減影血琯造影(DSA)檢查結(jié)果相一致。

  辳業(yè)科學

• 消減

  Screening the forward and reverse subtraction librarywith colony PCR and dot hybridization, 80 clones were identified as the differentialexpressed cDNA fragment, and the size was between 200 bp and 800 bp.
  從正反曏消減文庫中隨機挑選160個陽性尅隆，通過菌落PCR和斑點襍交技術(shù)進行鋻定，共獲得80個差異表達明顯的cDNA片段，其大小在200bp～800bp之間。

  能源科學技術(shù)

• 減法

  The identification precision of multi-spectrum signal can be improved by changing multi-spectrum signal into singleness-spectrum signal with subtraction.
  將多譜線信號利用"減法"改造成單一譜線信號可大大提高譜線辨識精度。

  數(shù)學

• 減法
• 減去法