international prototype of kilogram
... 公斤原器 prototype kilogram 国际公斤原器 international prototype of kilogram 国际公斤原型 international prototype kilogram ...
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international prototype of kilogram
国际千克原型
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The name is a reference to International Prototype kilogram, as a base unit of mass in the International System of Units.
它的名字和国际单位中表示基本聚合物质质量千克有关。
youdao
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The international prototype kilogram, the primary standard (see weights and measures) for weight, is made of an alloy comprising 90% platinum and 10% iridium.
国际标准质量千克的原型就是由90%铂和10%铱的合金制成的。
youdao
更多双语例句
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The problem with that definition, of course, is that not just anybody can measure it -- since most of us don't have an International Prototype Kilogram laying around, especially since every time the thing is picked up a few atoms rub off of it making it a little bit lighter.
ENGADGET: blogger-avatar
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Because of this, the actual International Prototype Kilogram (yes, there does only seem to be one in existence) is stored in a vault in Sevres, France, limiting the lay person's ability to determine the actual weight of a kilogram.
ENGADGET: blogger-avatar
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' The currently accepted answer is the mass of a cylinder of platinum and iridium called the International Prototype Kilogram.
ENGADGET: blogger-avatar
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