However, for negative values of x, roughly -4 and lower, the algorithm used to calculate Math.exp is relatively ill-behaved and subject to round-off error.
不过，对于负值的x，一般是-4以下的数字，用于计算Math .exp的算法表现很差，并且容易出现舍入错误。
To round it off here are Dr Robert Emmons' top 10 tips for actually becoming more grateful, and consequently more happy.
围绕这个主题，下面给出了RobertEmmon博士的10个秘诀，引导我们心存更多感恩，从而更加幸福。
Investors fear that the ECB could be biting off way more than it can chew by initiating this second round of bond buying, leading to a false sense of security.
投资者担心，欧洲央行开启第二轮购买债券的措施可能会力不从心，从而造成一种虚假的安全感。
This month Cessna, maker of the popular Cessna Citation, said it would lay off an additional 2, 000 workers - its second round of cuts - and that the company would probably shrink production in 2009.
本月，著名飞机CessnaCitation的制造商，美国塞斯纳飞机公司宣布增加裁员2000名——这已经是第二轮裁员——并且公司可能在2009年减少产量。
The two candidates who attract the most votes in the first round will square off in the second.
在首轮投票中领先的前两位将进入第二轮对决。
Since May 1, 2017, round off chip magnetic composite card magnetic stripe transaction.
自2017年5月1日起，全面关闭芯片磁条复合卡的磁条交易。
'the wind gets on my nerves,' she says. 'I shut myself in the house and kick off my shoes and wander round the rooms barefoot.
“风会使我心烦意乱，”她说，“我把自己关在房子里，踢掉鞋子，赤脚在房间里游走。”
If those Numbers prove accurate, it would mean the contest would have to go to a second round run-off vote in early October.
如果数据准确，就意味着选举将于10月进入第二轮投票。
We will first round off the small rectangles, as they need a smaller radius, and then progressively do the others.
我们首先要圆滑小方形，它们需要更小的圆角半径，之后我们再处理其他的。
The flat character is introduced solely for the purpose of allowing the round character to show off.
引入扁平字符仅是为了突出圆形字符。
David Beckham's free-kick saw off Ecuador in round two, but Rooney's red card in the 0-0 quarter-final draw against Portugal preceded a 3-1 shoot-out defeat.
在第二轮贝克汉姆利用任意球破门淘汰了厄瓜多尔，但在四分之一决赛0-0战平葡萄牙的比赛中，鲁尼被罚下，结果英格兰在点球大战中1-3落败惨遭淘汰。
In the eighth round, when Foreman had exhausted himself, Ali sprung off the ropes and knocked him out.
在第八轮，当Foreman筋疲力尽的时候，Ali从绳子上弹起把他打倒了。
The recession of 2008-09 cut Spanish advertising revenues by more than a third, according to some estimates, setting off a round of mergers and acquisitions.
据统计，2008-09年经济衰退将西班牙的广告收入削减了三分之一之多，掀起了一轮兼并和收购。
On November 16th Goldman Sachs, which kicks off the bonus round when it reports its full-year results next month, announced that its top executives would forgo their bonuses this year.
下个月即将出年报同时开始新一轮奖金发放的高盛在11月16日宣布，高管们将放弃他们今年的奖金。
Thousands of waterfowl breed round the lake and live off the fish.
数以千计的水鸟在湖边繁殖，靠鱼为食来生活。
Thousands of waterfowl breed round the lake and live off the fish.
数以千计的水鸟在湖边繁殖，靠鱼来生活。
He pulled off his cap and looked round still smiling.
他摘下帽子，环顾四周，仍然面带微笑。
The Queen did not look round. 'Off with its head! 'she shouted. 'Call for the executioner!
王后没回头。“砍掉它的脑袋！”她喊着。“把执行官叫来！”
He turned round about and stalked off.
他向后一转，昂首阔步地走开了。
Sunday coming round, he set off therefore, after breakfast, once more to beat up Captain Cuttle's quarters.
于是，星期天吃过早饭以后，他就从家里出发，再一次出其不意地到卡特尔船长的住所去。
With the gene switched off, the plants produced round small fruits again.
随着该基因停止表达，该植株又重新结出了球形果实。
Once inside the factory yard, Mother set her baskets down, wiped the sweat off her face and looked round.
一进工厂大院，母亲便放下篮子，揩掉脸上的汗水，向四周张望。
When the Commerce Department reported last week that the trade deficit in June approached $50 billion, it set off a new round of economic doomsaying.
上周美国商务部报告称，6月份的贸易逆差接近500亿美元，这引发了新一轮的经济末日预言。
He flew to her, put his claw round her tiny waist and carried her off, up on to a tree.
他飞向她，用爪子抓住她纤细的腰，把她带到一棵树上去了。
As they walked, Hansel, who had the bread in his pocket, broke off little crumbs, and stopped every now and then to drop one, turning round as if he was looking back at his home.
当他们走的时候，汉斯，口袋里装着面包，弄碎成很小的面包屑，不停的停下来扔一点，转身就好像他在回望他的房子一样。
The tour is a round-trip of the town and there are a total of 4 stops where passengers can get on and off the bus.
这趟旅行是一个小镇的往返旅程，总共有4站，乘客可以在那里上下车。
The tour is a round-trip of the town and there are a total of 4 stops where passengers can get on and off the bus.
这趟旅行是一个小镇的往返旅程，总共有4站，乘客可以在那里上下车。
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