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| 1. | Data shows that the population of marine mammal in the Southern Hemisphere have increased from a few |
| 数据显示南半球海洋哺乳动物蓝鲸的数量增加了数百甚至几千。 |
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| 2. | To watch the sun from the northern hemisphere, you have to face south. |
| 从北半球看太阳，你必须面向南方。 |
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| 3. | When the secondary wave is just starting at E, that from C will have formed a hemisphere of radius CG |
| 当E处的次波刚开始发出时，从C发出的次波已形成一个半径为CG的半球面。 |
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| 4. | Taxonomists— bipedal apes who tend to inhabit temperate zones in the northern hemisphere— have characterised |
| 分类学家—倾向栖息于北半球温带地区的两足猿—对生活在他们眼皮底下的生物描述得相当不错。 |
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