The batteries take one hour to charge and can provide enough power for 15 minutes of autonomous aerobatics at speeds of up to 250kph and a climb rate of around 5.3m per second.

电池可以在完成1小时的充电后，并能在航速250公里/小时的情况下提供15分钟的飞行，同时满足5.3米/秒的爬升速度。

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But the overall economy is now so weak that it would take a lot to get growth up to a reasonable rate.

只是目前的经济总体形式依然孱弱，实现合理的增长率必然需要大量的努力付出。

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Once market participants started to take into account inflation in their behaviour, the economy would eventually end up with the same rate of unemployment as before but a higher rate of inflation.

一旦市场参与者开始将对通胀的考虑纳入行为中，经济最终将回到此前的失业率水平，但通胀率却上去了。

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In 2010-11, the take-up rate for this age group was 64% in Nottingham, compared to a national target of 80%.

BBC: Cervical screening: Third of Nottingham women miss tests

The Association of School and College Leaders has warned that confusion over its complex structure and a low take-up rate could doom the qualification to second-class status.

BBC: Heads demand answers on Diplomas

The take-up rate on the Pell Grant program has skyrocketed.

WHITEHOUSE: Presidential Press Conference on the 2012 Budget