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91. | pocket chronometer |
| 精密计时怀表 |
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92. | delta-T timing unit |
| 时差计时单元 |
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93. | accumulative timing |
| 积累计时法 |
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94. | asynchronous timing |
| 异步计时法 |
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95. | network protocol timing |
| 网络协议计时 |
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96. | chronograph wheel |
| 秒计时轮 |
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97. | crystal chronoscope equipment |
| 石英计时装置 |
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98. | timing current switch |
| 计时电流开关 |
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99. | vertical timing relationship |
| 垂直计时关系 |
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100. | straight daywork |
| 直接计时制 |
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