These treatments are most successful in patients with vitiligo over less than 50% of their body surface area.
这些都是最成功的治疗白癜风患者的不到50 %的体表面积。
It rains a lot less than Seattle and the rain is spread out over more days than those cities.
这里的降雨量比西雅图少得多，而且降雨持续时间也比那些城市更长。
For this year at least, our race to circumnavigate the globe in less than 80 days is over.
至少在今年，我们在八十天内完成环球航行结束了。
The capacity of individual power stations, many of them hydro plants, rose from a few kilowatts to over a megawatt in less than a decade.
在不到十年的时间里，单个发电站的发电能力就从几千瓦上升到了几兆瓦，其中许多是水力发电站。
A new study found that inner-city kids living in neighborhoods with more green space gained about 13% less weight over a two-year period than kids living amid more concrete and fewer trees.
一项新的研究发现，在两年的时间里，与住在钢筋水泥更多、树木较少的社区的孩子相比，住在市中心有更多绿地的社区里的孩子，两年中增加的体重少了约13%。
Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.
过去几年的卫星观测和潜艇调查显示，极地地区的冰层减少了，但最近的测量显示，冰层的减少量比之前设想的更为明显。
Less colorful birds and animals that inhabit the rain forest tend to rely on forms of signaling other than the visual, particularly over long distances.
热带雨林中居住的不那么鲜艳的鸟类和动物，往往依赖于视觉以外的信号形式，尤其是长距离的信号。
Less colorful birds and animals that inhabit the rain forest tend to rely on other forms of signaling other than the visual, particularly over long distances.
生活在雨林中、且色彩并不那么亮丽的鸟类和动物往往依赖于视觉信号以外的其他信号形式，尤其是在传递长途信号的情况下。
Five tons of soil would fill a small dump truck; if spread over an acre, it would make a layer slightly less than the thickness of a dime.
五吨的土会装满一辆小型自卸式卡车；若铺开在一英亩的土地上，它会形成不足一角硬币厚度的土层。
Over 40% of the Junior 3 have less than eight hours' sleep each night because of study.
超过40%的初三学生因为学习，每晚的睡眠时间不足8小时。
On its Web site, the White House Budget Office says the program to send astronauts to the moon is behind schedule, over budget and overall less important than other space investments.
美国白宫预算办公室在网站上说，此次宇航员登月计划进度落后于原定计划，耗资超出预算开支，并且从全局的角度来看，没有其他的空间计划重要。
It should be noted, however, that a donkey, which at 20,000 Tanzanian shillings costs less than a bicycle, is still an investment equal to an average household's income over half a year.
然而，应该指出的是，一头驴的费用为2万坦桑尼亚先令，比一辆自行车还便宜，但它仍然是一项投资，相当于一个普通家庭半年以上的收入。
If you are getting less back than you put in over a considerable period of time, back off.
如果你在相当长的一段时间内获得的回报比投入少，那么，赶紧撤退。
Yet they have just over three children now, less than half the number their mothers had.
不过她们的平均生育率是每人三个小孩，比她们母亲的生育率的一半还要少。
People over age 60 sleep two hours less per night than their younger counterparts.
年龄超过60岁的人相比年轻时每天睡眠时间要减少2小时。
Kebony reckons that its pine cladding, for example, would cost a third less than conventionally treated pine cladding over the course of 40 years.
肯博尼公司指出，他们加工的松木包层的价格比按40年来惯例工艺加工的松木包层少三分之一。
Besides, a technique called "over-provisioning" provides more bandwidth for less money than any of the quality-of-service approaches currently being touted.
此外，和正在使用的服务质量方法相比，一种称为“过度保障”的技术能以更少的花费来获得更多的带宽。
I think we can do it in three steps that take less than 18 minutes over an eight-hour workday.
我想这个仪式可以分三步进行，在一个8小时工作日里只占不到18分钟。
The fuel is abundant, the process safe and the waste, though radioactive, is far less noxious than the stuff left over from fission.
燃料储量丰富，过程安全，废料尽管有放射性，但同裂变产生的废料相比，有害程度要小得多。
That a piece of paper of no intrinsic value should pass for good money the world over is nothing less than a secular miracle.
一张没有内在价值的纸片竟然被全世界奉为优等货币，这简直是这个世俗世界的一个奇迹。
The constant trade winds ensure that air passing over the mountain is back over the ocean in less than an hour.
常年刮个不停的信风使经由该岛山顶上的空气在不到一个小时的时间内就又被刮到大洋上空。
Prefer elegance over efficiency where efficiency is less than critical.
宁要优雅不要效率，在效率不是关键的地方。
The recession itself - one often compared with today's downturn - was savage, but it was over in less than two years.
那场衰退本身——人们常常拿它与眼下的衰退相提并论——可谓来势汹汹，但却历时不到两年。
Their reading of history revealed that shares were far less risky over time than was widely assumed.
他们对历史的解读揭示出，长期来看，股票的风险远没有普遍估计的那么大。
The install process features improved performance, takes over one-third less time than in previous Versions.
安装过程突出体现了改进的性能，与早期版本相比，所花的时间缩短了三分之一以上。
Never mind Hyacinth Bucket niceties of napkins over serviettes, class matters more not less than it did, and it needs saying loudly.
别介意海辛斯·巴凯特喜欢餐巾胜过餐巾纸，阶级观念比这还要严重得多，而且需要大声说出来。
In the laboratory, nymphal I. scapularis can survive for over 6 months at 93-100% relative humidity (RH), but over half will die in less than 4 days at 65% RH.
肩胛扁虱幼虫在室温相对湿度93-100%可存活6个月以上，但是约一半以上在相对湿度65%的室温下，存活不足4天。
A child born in Niger can expect to live to just over 50, which is 30 years less than a child born in Norway.
一个出生在尼日尔的孩子可以活到50多岁，比出生在挪威的孩子少活30年。
But Mr Kan appears to have judged that, for three reasons, an election fought over tax will be less risky than in the past.
菅直人似乎认定一场在税上的选举比过去的选举风险要小，原因有三。
Indeed, applicants who are 'over-rehearsed' tend to come across less well than students who are natural and spontaneous.
实际上，经过培训的申请人比那些自然随性的申请人在面试表现中要差些。
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