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| 71. | spark photography |
| 闪光照像 |
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| 72. | spark shadowgraph |
| 电花图 |
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| 73. | micrometer spark |
| 可微调的火花隙 |
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| 74. | spark suppression |
| 火花抑制 |
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| 75. | condenser spark |
| 电容火花 |
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| 76. | spark frequency |
| 火花频率 |
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| 77. | Spark Program |
| "星火计划"(把先进、适用的技术引向农村的指导性科技计划,1986年经国务院批准) |
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| 78. | spark sintering |
| 放电烧结 |
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| 79. | spark extinguisher |
| 灭火花器 |
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| 80. | a spark of interest; a spark of decency. |
| 我们试着他的聪明才智。 |
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