Canada agreed to give up a significant quantity of highly enriched uranium.

加拿大同意放弃相当数量的高纯度浓缩铀。

youdao

The United States Geological Survey’s estimate is 4.6 billion barrels, a modest but nevertheless significant quantity.

美国地质勘查结果则表明此油田储量大概是46亿桶，虽然是一个保守的估计值，但储量依然可观。

youdao

The IAEA assesses these things using a measure of militarily "significant quantity" : the amount of highly enriched uranium (25kg) or separated plutonium (8kg) it would take to make a weapon.

IAEA根据军事上“相当数量(significant quantity)”的标准估计：25 kg高浓缩铀或者8 kg分离钚就可以制造一件核武器。

youdao

He said a significant quantity of an accelerant, petrol, had been found in the house.

BBC: RELATED BBC SITES

Detective Chief Superintendent Norman Baxter said a significant quantity of an accelerant, petrol, had been found inside the property.

BBC: RELATED BBC SITES

Canada agreed to give up a significant quantity of highly enriched uranium.

WHITEHOUSE: Nuclear Security Summit: Presidential Press Conference