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| 81. | elapsed-time standards |
| 经历时间;经历时间 |
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| 82. | map out one's time |
| 计划时间，支配时间 |
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| 83. | reading duration |
| 读数时间，读出时间 |
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| 84. | time phase angle |
| 时间相角;时间相位角 |
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| 85. | restricted hours |
| 受限制时间；管制时间 |
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| 86. | time history form |
| 时间关系式|时间函数 |
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| 87. | cumulative time |
| 总时间|累积时间 |
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| 88. | productive time |
| 生产时间|运算时间 |
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| 89. | unattended time |
| 关机时间|停机时间 |
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| 90. | duration of oscillation |
| 摆动时间|振荡时间 |
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