night | |
一般 | natt |
observation | |
一般 | iakttagelse; spaning |
环境 | ozonobservation; ozonsondering; sondering |
经济 | observation |
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natt (nox) | |||
mörker | |||
英语 词库 | |||
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noc (Vosoni) | |||
The period of time during any day that starts at the end of evening civil twilight and ends at the start of morning civil twilight | |||
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N |
night observation: 1 短语, 1 学科 |
生命科学 | 1 |