Backup power could also be provided by linking wind farms with a solar cell, with conventional or pumped-storage hydropower, or with efficient natural-gas-burning turbines.
2
还有为备用电力准备的备用柴油发电机，并且柴油发电机确实启动了。
There was a backup to the backup in the form of on-site diesel generators. And, sure enough, they kicked in.
3
还有为备用电力准备的备用柴油发电机，并且柴油发电机确实启动了。
There was a backup to the backup in the form of on-site diesel generators.And, sure enough, they kicked in.
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