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41. | emission spectroanalysis |
| 发射分光分析 |
|
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42. | infrared spectroscopic analysis |
| 红外线分光分析 |
|
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43. | double line binary |
| 双线分光双星 |
|
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44. | emission spectrophotometry |
| 发射分光光度测定法 |
|
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45. | differential photocell |
| 差分光电池 |
|
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46. | spectroscopy by prism |
| 棱镜分光光谱学 |
|
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47. | visible spectrometry |
| 可见光分光法 |
|
|
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48. | visible absorption spectrophotometry |
| 可见吸收分光光度学 |
|
|
| |
49. | Spectrophotometric curves |
| 分光光度曲线 |
|
|
| |
50. | single line spectroscopic binary |
| 单谱分光双星 |
|
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