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Terms for subject Oil / petroleum containing reference time | all forms | exact matches only | in specified order only
| English | Chinese |
| reference time | 基准时间 |
| reference time | 计时开始点 |
| reference time | 标准时间 |
| reference time scale | 参考时标 |
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| English | Chinese |
| reference time | 基准时间 |
| reference time | 计时开始点 |
| reference time | 标准时间 |
| reference time scale | 参考时标 |