| 1. | The seventies proved recycling's practicality and worth .
七十年代证实了回收利用的可行性和价值。 |
| 2. | During the late seventies world grain reserves were rebuilt .
七十年代末，世界粮食储备重新建立。 |
| 3. | The debate raged throughout the 1760s and 1770s .
激烈的争论贯穿了十八世纪的整个六十年代和七十年代。 |
| 4. | Thus, market prices exceeded target prices throughout the 1970s .
因此在整个七十年代，市场价格突破目标价格。 |
| 5. | Latin america was a booming market for nuclear power in the seventies .
在七十年代，拉丁美洲曾经是核电的繁荣市场。 |
| 6. | Weapons are indisputably a growth industry of the 70s and 80s .
毫无疑问，武器生产是七十年代和八十年代的一个兴旺的行业。 |
| 7. | Weapons are indisputably a growth industry of the "70s" and "80s. "
毫无疑问，武器生产是七十年代和八十年代的一个兴旺的行业。 |
| 8. | During the course of the seventies we would lose our residual counterforce capability .
在七十年代，我们将失去残存的反击能力。 |
| 9. | Hepatitis b was eliminated as a serious transfusion peril by the late 1970s .
到七十年代末，乙型肝炎作为一种输血性疾病已经被消灭了。 |
| 10. | The events of the first half of the 1970s have clearly taught the pessimistic lesson .
七十年代前5年的事实已经明显地给人以可悲的教训。 |
