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null例句_null造句子_null实用场景例句_null怎么使用

首页英语词典nullnull实用场景例句

null

英[nʌl] 美[nʌl]

英英释义实用场景例句

adj. 无效的，无价值的；等于零的
n. 零，[数] 空

实用场景例句

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.

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.