Thermoplastic materials can be remelted and cooled time after time without undergoing any appreciable chemical change.

热塑性的材料能够不断的再熔化和再冷却而不需要经历任何可感知的化学变化。

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The result shows that quantum fluctuations change with time, but reach definite values after a long time.

结果表明，量子涨落是随时间变化的，长时间后趋于一稳定值；

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We may change the Listing Policy from time to time and our changes are effective after we provide you with notice of the changes by posting the changes on the announcements board.

我们可以经常改变非支付出价政策，我们在公告牌上张贴改变通知后改变即具有效力。

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The main reasons for early sellouts seem to be short cycles of venture capital, and the significant change in lifestyle for first time founders after a sale.

FORBES: The Start-Up Nation Must Grow Up

Jersey's new bus operator is having to change its timetable after not allowing enough time for buses to get from the airport to the bus station.

BBC: Jersey's bus company in timetable blunder

It had initially looked as if Chelsea would have to wait for their chance to put Sunday's defeat to Manchester United behind them as referee Chris Foy called the game off due to fog just over an hour before kick-off - but the fog lifted and the game began on time after a change of decision by the referee.

BBC: Southend 1-4 Chelsea