查询词典 hallmarking
- 与 hallmarking 相关的网络例句 [注：此内容来源于网络，仅供参考]
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This hallmarking system was developed in London in the 14th century at Goldsmiths' Hall.
这套纯度标记系统是14世纪在伦敦的Goldsmiths' Hall发展起来的。
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Hallmarking in Britain dates from 1300; no gold or silver could be sold until tested for purity and struck with the king's mark.
大不列颠从1300年开始便采用金银纯度印记；金或银要通过纯度试验和打上国王标记后才得以出售。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光：照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔，然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力