| 1. | It 's difficult to ascertain the coal deposits ...
煤储量很难探明。 |
| 2. | Single deposits contain millions of tons of ore .
单个矿床的矿石储量达数百万吨。 |
| 3. | It enables an estimate to be made of the reserves, including sphalerite .
它可以用来估计包括闪锌矿在内的储量。 |
| 4. | About half of the world's known supply of copper ore is already in use .
全世界已知的铜矿储量，大约有一半已在使用了。 |
| 5. | Following discovery of the field in 1950 the estimated recoverable reserves of oil amounted to 50 million barrels .
1950年发现该油田后，估计可采储量为五千万桶。 |
| 6. | The 1973-74 oil price jumps were man-made, and not the result of exhaustion of the earth's available oil reserves .
1973-1974年石油价格猛涨是人为的，并不是现有的世界石油储量枯竭的结果。 |
| 7. | Ample oil reserves are still being discovered the world over, but they happen to be concentrated increasingly in the middle east .
世界各地仍在不断发现丰富的石油储量，但石油储量碰巧是越来越集中在中东地区。 |
| 8. | Willingness to conserve oil reserves is a force upholding cartel discipline, even without a formal output-cutting agreement .
保存石油储量的意愿即使在没有削减产量的正式协议下也是一种能维护卡特尔纪律的力量。 |
| 9. | The eatimated methods of natural gas recoverable reserves
天然气可采储量计算方法 |
| 10. | Crude oil and natural gas - calculation of reserves
原油及天然气储量的计算方法 |
