The area has been mined for slate for centuries.
这个地区开采板岩有数百年了。
The pit is being shut down because it no longer has enough coal that can be mined economically.
那个煤矿要关闭了，因为储量不足，难以经济开采。
Coal is mined from underground.
煤是从地下开采来的。
The UN convoy was mined on its way to the border.
联合国车队在驶往边界的途中触雷被炸。
The ruby and jadite had not yet been mined.
红宝石和硬玉那时还没有被开采。
The graphite is mined in Ceylon.
石墨开采自锡兰。
他们在城墙下挖坑道。
They mined the whole area for gold.
他们在整个地区采掘黄金。
All the easy gold has been mined already.
可见所有易开采的黄金都已被挖掘一空。
Does that mean this data can't be mined?
那么这是不是意味着该数据无法被挖掘呢？
The rare pink diamond was mined in South Africa.
这颗罕见的粉钻是在南非开采得来的。
Some of the world's supply of salt is mined as rock salt.
世界上有些盐的供应靠采掘岩盐。
The data could be mined to improve public transport and security.
挖掘出的这些数据，可用来改善公共交通及安全。
Only about 80,000 tons have been mined in the history of the world.
全世界整个历史上已挖掘的金矿只有8万吨左右。
In the 1990s it mined half the world's stones and controlled the sales of 80%.
在20世纪90年代，它开采了世界上一半的宝石并控制了80%的销售。
Much of Yemen's water is mined from rapidly depleting underground aquifers.
也门的大部分用水都是从快速耗竭的地下蓄水层中开采的。
Eons later, the diamonds were mined by the Rio Tinto Group from Juina in Brazil.
很久以后，这些钻石被来自巴西捷那的力拓集团所开采。
Of course, companies have long mined their data to improve sales and productivity.
当然，公司已经通过挖掘他们的数据信息来提升销售和生产能力。
Astronomical data will be generated on an industrial scale and mined from a laptop.
天文学将会产生工业规模的数据，而用一台笔记本电脑进行数据挖掘。
Cerro DE Pasco has been mined, mainly for silver, lead and zinc, since the 17th century.
从17世纪开始，塞罗迪·帕斯科镇一直在进行矿井开采，主要是银、铅和锌。
In 2009 the two companies mined half of the world's diamonds, measured by carat volume.
2009年，这两家公司生产的钻石按卡拉数计算占全球一半。
Retirement at age 65 made sense when most workers poured steel, plowed fields and mined coal.
当大部分工人要炼钢、耕地或是采矿的时候，65岁退休是合理的。
Australia's first coal was mined at Newcastle in 1797, less than a decade after Europeans began to settle.
澳大利亚的第一座煤矿于1797年在纽卡斯尔开采，是欧洲人在此定居不到十年之后。
The data can be mined to compare the age of the purchaser of past cars and the colors bought in the past.
这就需要挖掘数据来对比过去购车者的年龄和过去购买的车的颜色。
SMELTER: Some 3.8 million metric tons of lead are produced annually by separating it from mined ore using high heat.
熔炉：每年约有380万公吨的铅是通过高温加热矿石的方法分离制造出来的。
Problematic in some ways and difficult to handle, coal is nonetheless a cheap, plentiful, mined-in-America source of heat.
煤在某些方面有些缺陷，并且不易操作，然而尽管如此它也是廉价、充足、可在美国本土开采的取暖燃料。
In any case, India and China would have to more than triple their annual purchases just to soak up the world's newly mined gold.
总之，印度和中国的年黄金购买量需要增加2倍多才能消化世界上新开采的黄金。
The California Natural Resources Agency says the largest nugget ever mined in the state was found in 1854 and weighed 195 pounds.
援引加利福尼亚自然资源局的资料，美国史上开采的最大的金块，是1854年发现的，重达195磅。
The California Natural Resources Agency says the largest nugget ever mined in the state was found in 1854 and weighed 195 pounds.
援引加利福尼亚自然资源局的资料，美国史上开采的最大的金块，是1854年发现的，重达195磅。
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