null

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。

柯林斯例句

The agreement will be considered null and void.

該協(xié)議將被視作無效。

辭典例句

When the galvanometer reads zero the circuit is in the null - balance position.

當檢流計的讀數(shù)為零時,電路處于零平衡位置.

辭典例句

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.

辭典例句

The court ruled that the claim was null and void.

法庭裁決此項要求無效.

辭典例句

The operator O is the null operator.

算符O是零算符.

辭典例句

This check is null and void.

本支票無效.

辭典例句

This contract is null and void.

此合同無效.

辭典例句

The null subset corresponds to the term 1.

空集則對應于常數(shù)項1.

辭典例句

The null result of the Michelson - Morley experiment suggests that the effects of the ether are undetectable.

邁克耳 孫- 莫雷實驗的否定結(jié)果使人想到,以太的效應是不能檢查到的.

辭典例句

Whenever we reject the null hypothesis, the conclusion we do accept is called the alternative hypothesis.

無論何時,拒絕無效假設時, 我們所接受的結(jié)論叫做備擇假設.

辭典例句

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相聯(lián)系.

辭典例句

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.

辭典例句

The device provides extreme sensitivity through a small range around the null point.

此裝置在零點附近很小一段范圍內(nèi)具有極高的靈敏度.

辭典例句

The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.

無效假設這個概念產(chǎn)生于早期的統(tǒng)計學在農(nóng)業(yè)和醫(yī)學方面的應用中.

辭典例句