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| 51. | adjusted decibel(dBa) |
| 已调整的分贝 |
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| 52. | Director of Buildings [DB] |
| 屋宇署署长 |
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| 53. | back-end DB processor |
| 后端数据库处理机 |
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| 54. | EPNdB (effective perceived noise decibels) |
| 有效感觉噪声分贝 |
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| 55. | DB:This is Earth and Sky. |
| DB：这里是“地球与天空”频道。 |
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| 56. | The level at some particular point is the gain or loss of power, expressed in decibels( dB) between that |
| 某一特定点的电平是指该点和某一任意参考点之间的功率增益或损耗，用分贝表示。 |
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| 57. | decibels above reference noise |
| 超出参考噪声分贝数;超过基准噪声的分贝数 |
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| 58. | decibel calculator |
| 分贝图算表 |
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| 59. | provides additional information on using the dialog box and defining connection information for each OLE DB |
| “数据链接属性”对话框的“帮助”文件提供了有关使用该对话框及有关定义每个 OLE DB 提供程序的连接信息的其他信息。 |
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| 60. | back-end DB system structure |
| 后端数据库系统结构 |
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