最棒的地面站风能密度约为一公里/平方米扫风面积。
The best ground-based sites have a wind-power density of about a kilometer per square meter of area swept.
如果你没有一个磁搅拌器，用搅拌棒搅拌就好比风。
If you do not have a magnetic stirrer, use a stirring rod and stir like the wind.
如果你没有一个磁搅拌器，用搅拌棒搅拌就好比风。
If you do not have a magnetic stirrer, use a stirring rod and stir like the wind.
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