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| 1. | The nitrotoluenes and nitroxylenes, for example, show normal or near normal patterns. |
| 例如硝基甲苯的硝基二甲苯即表现正常或近于正常的图样。 |
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| 2. | Monitoring data show some improvements; for example, there has been a nationwide decline in virtually |
| 监测资料表明情况已有所改进，例如在全国范围内几乎各种类型的空气污染都减少了。 |
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