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11. | negative spread |
| 反向差幅|负差幅 |
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12. | calculus of differences |
| 差分法;差分计算 |
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13. | difference of magnification |
| 放大率差;等倍差 |
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14. | differential interference contrast microscopy |
| 差示干涉差显微镜术 |
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15. | difference coefficient |
| 差商|差分系数 |
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16. | stringent tolerance |
| 精确容差; 严格容差 |
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17. | successive difference |
| 逐次差分|递差 |
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18. | parameter adjustment |
| 参数平差, 间接平差 |
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19. | A bad workman blames his tools. |
| 技术差的人埋怨工具差. |
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20. | positive spread |
| 正向差幅|正差幅 |
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