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41. | spherical-earth attenuation |
| 球形地面衰减 |
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42. | spherical electrostatic analyzer |
| 球形静电分析仪 |
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43. | spherical fuel element |
| 球形燃料元件 |
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44. | spherical-earth factor |
| 球形地面因数 |
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45. | spherical pressure container |
| 球形加压容器 |
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46. | spherical pressure tan |
| 球形压力罐 |
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47. | agate spherical jewel |
| 玛瑙球形轴承 |
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48. | Spherical-reflector antenna |
| 球形反射面天线 |
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49. | spherical foam chromatography |
| 球形泡沫色谱 |
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50. | spherical boiler |
| 球形蒸煮器 |
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