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| 51. | repeated observation |
| 重复观察 |
|
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| | |
| 52. | controlled observation |
| 控制观察 |
|
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| | |
| 53. | audit observation |
| 审计观察 |
|
|
| | |
| 54. | observer-target line |
| 观察目标线 |
|
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| | |
| 55. | batching tracking |
| 分批观察 |
|
|
| | |
| 56. | radiosonde observation |
| 探空仪观察 |
|
|
| | |
| 57. | scattered observatio |
| 分散观察 |
|
|
| | |
| 58. | range of observation |
| 观察范围 |
|
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| | |
| 59. | routine observation |
| 定期观察 |
|
|
| | |
| 60. | obervation ward |
| 观察病室 |
|
|
| | |