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| 71. | fission counter |
| 核分裂计数器 |
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| 72. | The AE lock mode locks the exposure value for precise exposure metering. |
| 自动曝光锁定模式可在精确曝光测定量时锁定曝光值 |
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| 73. | dial counter |
| 指针式计数器 |
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| 74. | multi-functional counter |
| 多功能计数器 |
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| 75. | Scintillation counter |
| 闪烁计数器 |
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| 76. | activity counter |
| 活动计数器 |
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| 77. | universal counter |
| 通用计数器 |
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| 78. | frequency counter |
| 频率计数器 |
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| 79. | up-down counter |
| 可逆计数器 |
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| 80. | quotient counter |
| 商数计数器 |
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