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常见例句

• A spokeswoman said the agreement had been declared null and void.
  女发言人称该协议已宣布无效。
• The agreement will be considered null and void.
  该协议将被视作无效。
• When the galvanometer reads zero the circuit is in the null - balance position.
  当检流计的读数为零时,电路处于零平衡位置.
• A spokeswoman said the agreement had been declared null and void.
  女发言人称该协议已宣布无效。
• The agreement will be considered null and void.
  该协议将被视作无效。
• When the galvanometer reads zero the circuit is in the null - balance position.
  当检流计的读数为零时,电路处于零平衡位置.
• This null - balance system is usually more accurate than the direct - readout bridge.
  这种调零系统通常比直读电桥更精确.
• The court ruled that the claim was null and void.
  法庭裁决此项要求无效.
• The operator O is the null operator.
  算符O是零算符.
• This check is null and void.
  本支票无效.
• This contract is null and void.
  此合同无效.
• The null subset corresponds to the term 1.
  空集则对应于常数项1.
• The null result of the Michelson - Morley experiment suggests that the effects of the ether are undetectable.
  迈克耳 孙- 莫雷实验的否定结果使人想到,以太的效应是不能检查到的.
• Whenever we reject the null hypothesis, the conclusion we do accept is called the alternative hypothesis.
  无论何时,拒绝无效假设时, 我们所接受的结论叫做备择假设.
• The null result was directly related to a central postulate of the theory.
  零结果都直接与理论的中心假设相联系.
• A null - balance system is provided by balancing the magnetic forces by electrostatic forces.
  零位平衡系统是靠静电力来平衡磁力而造成的.
• The device provides extreme sensitivity through a small range around the null point.
  此装置在零点附近很小一段范围内具有极高的灵敏度.
• The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.
  无效假设这个概念产生于早期的统计学在农业和医学方面的应用中.
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