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Use "timescales" in a sentence
"The sun may have a dimmer switch at its core that causes its brightness to oscillate in timescales of around 100,000 years -- exactly the same period between ice ages on Earth."
"So on long term timescales, it does look like increasing complexity."
"But it's a sufficiently large announcement that we've been told bpt hand-deliver letters to soldiers that day and in short timescales, so they want to quosh the rumours and get accurate information out quickly."