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1·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。

2·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。

3·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。

4·Although the birth rate has edged up since then to 1.5, it would take a huge social change to push it as high as is needed.

尽管此后生育率略微上升到1.5，但将出生率推动到所需要的高比率将带来巨大的社会变革。

5·He finds that blind people are able to turn up the rate of text-to-speech converting computer programs to read three books in the time it would take a sighted person to read one.

他发现盲人能够在常人阅读一本书的时间里用文字到言语转换的计算机程序来阅读三本书。

6·For example, take the number of euros or dollars needed to buy the same item — an iPod, in one oft-used example — and come up with an effective exchange rate for those currencies.

举例来说，可以看看在购买同一物品时(一个常用的例子是购买iPod)分别要花费多少欧元或美元，以此计算出它们的实际汇率。

7·The VO2max is like the power output of a motor, Rapoport said. It's the maximum rate at which the muscles can take up oxygen to keep working.

最大氧耗量就像机动车的能量输出功率，就是肌肉吸收氧气继续工作的最高速度。

8·The reserve currency countries should take up their due international responsibilities, keep their currency value stable and prevent exchange rate war incurred by competitive devaluation.

各储备货币发行国应当承担起相应的国际责任，维护币值稳定，防范竞相贬值带来的汇率战。

9·The annual growth rate of China's economy is estimated at about 8%, a figure which makes many developed countries sit up and take notice.

中国经济年增长率约为8%。这个数字令许多发达国家也刮目相看。

10·In some industries, notably car production, a rebound is plainly under way. But the overall economy is now so weak that it would take a lot to get growth up to a reasonable rate.

虽然一些工业，尤其是汽车生产，目前已开始复苏，但是整体经济还相当低迷，不花大力气很难恢复合理的增长率。