Anyway, Wolf went though all records from various observatories in Europe and put together a history of sunspot observations going back about 100 years.

不论如何，沃尔夫查阅了欧洲各个天文台的所有记录，并把大约100年前的太阳黑子观测历史整理在一起。

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But experimentation stopped in the summer, and it turns out from the records of production after the experiments that output tended to fall in the summer anyway.

但是实验是在夏天停止的，而实验结束后的关于生产的记录说明产出在夏天都会下降。

youdao

But experimentation stopped in the summer, and it turns out from the records of production after the experiments that output tended to fall in the summer anyway.

但是实验是在夏天停止的，而实验结束后的关于生产的记录说明产出在夏天都会下降。

youdao