In a laboratory vault outside Paris is a small cylinder of platinum-iridium alloy that serves as the standard for all mass measurements worldwide.
在巴黎郊外的一个实验室地下室中，有一个铂铱合金作的圆筒，这个圆筒就是作为世界上所有质量测量的标准。
In a laboratory vault outside Paris is a small cylinder of platinum-iridium alloy that serves as the standard for all mass measurements worldwide.
在巴黎市外的一个实验室底下仓库里，有一个用铂-铱合金做成制成的小圆柱体，这就是全世界衡量重量的标准。
In a laboratory vault outside Paris is a small cylinder of platinum-iridium alloy that serves as the standard for all mass measurements worldwide.
巴黎城外的一个玻璃罩里存放着一个铂铱合金圆柱体，这个圆柱体就是全世界测量物体质量的参照标准。
In a laboratory vault outside Paris is a small cylinder of platinum - iridium alloy that serves as the standard for all mass measurements worldwide.
巴黎城外的一个玻璃罩里存放着一个铂铱合金圆柱体，这个圆柱体就是全世界测量物体质量的参照标准。
In one case, executives discovered a coating advertised as pure gold that masked a complex alloy, which included rare metals such as osmium, iridium, ruthenium and rhodium.
在一个案例中，业内高管发现一种号称纯金的涂层其实是一种复杂的合金，含有锇、铱、钌、铑等稀有金属。
Small amounts of iridium are commonly added for a harder, stronger alloy that retains platinum's advantages.
一般加入少量的铱形成更硬、更强的合金，而又包括了铂的优点。
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。
It features an exclusive Iridium Blue exterior with tinted headlights, aluminum roof rails and 21-inch alloy wheels.
该车采用独特的铱蓝色车上涂装搭配深色前大灯罩，铝制车顶行李架和21英寸合金轮圈。
A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points.
铱锇矿一种矿石，是少量铂、铑及其他金属矿石的铱锇的自然合金，用于制造针头和耐磨尖端。
A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points.
铱锇矿一种矿石，是少量铂、铑及其他金属矿石的铱锇的自然合金，用于制造针头和耐磨尖端。
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