null

常見例句

• A spokeswoman said the agreement had been declared null and void.
  女發(fā)言人稱該協(xié)議已宣布無效。
• The agreement will be considered null and void.
  該協(xié)議將被視作無效。
• When the galvanometer reads zero the circuit is in the null - balance position.
  當(dāng)檢流計(jì)的讀數(shù)為零時(shí),電路處于零平衡位置.
• A spokeswoman said the agreement had been declared null and void.
  女發(fā)言人稱該協(xié)議已宣布無效。
• The agreement will be considered null and void.
  該協(xié)議將被視作無效。
• When the galvanometer reads zero the circuit is in the null - balance position.
  當(dāng)檢流計(jì)的讀數(shù)為零時(shí),電路處于零平衡位置.
• This null - balance system is usually more accurate than the direct - readout bridge.
  這種調(diào)零系統(tǒng)通常比直讀電橋更精確.
• The court ruled that the claim was null and void.
  法庭裁決此項(xiàng)要求無效.
• The operator O is the null operator.
  算符O是零算符.
• This check is null and void.
  本支票無效.
• This contract is null and void.
  此合同無效.
• The null subset corresponds to the term 1.
  空集則對(duì)應(yīng)于常數(shù)項(xiàng)1.
• The null result of the Michelson - Morley experiment suggests that the effects of the ether are undetectable.
  邁克耳 孫- 莫雷實(shí)驗(yàn)的否定結(jié)果使人想到,以太的效應(yīng)是不能檢查到的.
• Whenever we reject the null hypothesis, the conclusion we do accept is called the alternative hypothesis.
  無論何時(shí),拒絕無效假設(shè)時(shí), 我們所接受的結(jié)論叫做備擇假設(shè).
• The null result was directly related to a central postulate of the theory.
  零結(jié)果都直接與理論的中心假設(shè)相聯(lián)系.
• A null - balance system is provided by balancing the magnetic forces by electrostatic forces.
  零位平衡系統(tǒng)是靠靜電力來平衡磁力而造成的.
• The device provides extreme sensitivity through a small range around the null point.
  此裝置在零點(diǎn)附近很小一段范圍內(nèi)具有極高的靈敏度.
• The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.
  無效假設(shè)這個(gè)概念產(chǎn)生于早期的統(tǒng)計(jì)學(xué)在農(nóng)業(yè)和醫(yī)學(xué)方面的應(yīng)用中.
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