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。
Support prototype and production assembly events at domestic or international locations.
为国内外的样车装配或批量生产提供技术支持。
To test the idea, he and an international consortium of his colleagues have built a ground-based prototype.
为了检测这一想法，他和他各国的同事建立了一个陆基的雏形。
Geneva (AFP) - a car that can be driven underwater is set to be unveiled next month at the International Geneva Motor Show, the Swiss manufacturer of the prototype announced on Friday.
日内瓦(法新社)-上周五，瑞士一汽车制造商宣布将于下月国际日内瓦车展上公布一种能够在“水下”驾驶的汽车。
Geneva (AFP) - a car that can be driven underwater is set to be unveiled next month at the International Geneva Motor Show, the Swiss manufacturer of the prototype announced on Friday.
日内瓦(法新社)-上周五，瑞士一汽车制造商宣布将于下月国际日内瓦车展上公布一种能够在“水下”驾驶的汽车。
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