The calotype was revolutionary in its use of chemically treated paper in which areas hit by light became dark in tone, producing a negative image.
卡罗摄影法对化学处理纸的使用是革命性的，其中光照区域色调变暗，形成负像。
What potential tests are remaining and in which areas?
剩下什么潜在的测试，以及在哪些方面？
Vietnamese girls do not like that you must have a car, in which areas should have a house.
越南女孩不会跟说你一定要有部车，在哪个区要有房子。
But if you want to lead, you face tough choices about how much effort you must put in and in which areas you need to grow.
可是，如果你想成为领导者，你就碰面对艰难的选择，比如你必须投入几多精力，你在哪些方面还需要成长等等。
Before you can build process compliance into your design, you must know which applications are used in which areas of the business.
在设计中内置流程遵从性之前，您必须了解哪些业务领域中使用了哪些应用程序。
A technique of decorating metal in which areas that have been hollowed out, as by incising, are filled with colored enamel and fired.
装饰金属的一种技巧。如用镂刻法将金属上某些部分挖空后填入彩色珐琅，再用火烧制。
Nature is indeed like a riddle, some areas of which are beyond the reach of science and technology, at least in the foreseeable future.
大自然确实像一个谜，其中一些领域是科学技术无法触及的，至少在可预见的未来是这样。
The two countries signed a number of agreements in which they will seek for cooperation in the areas of economy, science and technology.
两国签署了一系列协议，寻求在经济、科技领域的合作。
I guess with fewer places to inhabit, they concentrate in great numbers in few areas, which surely makes them easier targets for the hunters.
我猜，由于栖息地越来越少，它们就会大量集中在少数地区，这无疑会使它们更容易成为猎人的目标。
Private courier companies, which have more dollars to spend, use their expertise in logistics to help revitalize damaged areas after a disaster.
私人快递公司可支配的资金更多，它们利用自身在物流方面的专业技术来助力灾区的重振。
Obama's budget, which aims to cut funding in certain areas while increasing money used to create jobs, would cancel NASA's Constellation Program.
奥巴马的预算旨在削减某些领域的资金，同时增加用于创造就业的资金，这将使NASA 的星座计划被取消。
Experts have studied the areas most affected and have drawn up a map for local people, forecasting the year in which their homes will be swallowed up by the hungry sea.
专家们研究了受影响最严重的地区，并为当地居民绘制了一幅地图，预测他们的房子将在哪一年被汹涌的海水吞没。
Such activities had a major effect on the local area, in particular with the construction of infrastructure such as roads, which improved access to remote areas.
这些活动对当地产生了重大影响，特别是在修建道路等基础设施方面，改善了通往边远地区的道路。
Protection of wetlands in China is very important, as China has wetlands with 65.9 million hectares, 10 percent of the world's wetland areas, which comes fourth in the world.
中国的湿地保护非常重要，中国的湿地面积达6590万公顷，占世界湿地面积的10%，湿地面积居世界第四。
Such a dramatic increase in straying from damaged areas to more pristine streams results in substantial gene flow, which can in turn lower the overall fitness of subsequent generations.
从受损区到更原始流区的基因流的数量急剧增加，导致了大量的基因流动，进而降低了后代的总体适应性。
"We did very well in both of those areas, which are hard to meet," Stoops said.
斯度普斯说，“在这两方面，我们做的都非常好，这是很难得的。”
Or [are] able to go beneath the ice, and then to hibernate as the ices closes in, until we need them to carry out their research in areas which we cannot reach.
或者它们能潜入到冰层下面，然后结冰时就进入‘冬眠’，等需要它们到我们无以到达的区域进行研究时，它们再开始活动。
Lucky for you, there are several major areas in which we've learned some very painful lessons.
我们从几个重大的领域吸取了一些非常惨痛的教训，这对与您而言无疑是幸运的。
This helps position his company as the "thought leader" in those areas, which in turn increases his value to his organization.
这帮助他的公司处于那些领域中的“思想领导者”地位，从而增加他对其组织的价值。
His campaign in the tribal areas, which border the MMA's heartland of North-West Frontier Province, is bloody and hugely unpopular.
在MMA的中心地带与西北边境省的交界处，他在部落地区举办的竞选活动极其不受欢迎。
Given the severity of the downturn in the areas in which it lent most of its money, it would have needed far greater reserves of capital to survive without outside help.
鉴于它的大部分贷款涉及的领域衰退程度之深，它还需要更多的资金储备，以在没有外界帮助下存活下来。
There are some other less well-known physiological areas in which men and women differ.
男女性别差异在一些不太被人了解的生理领域还有许多其他差异。
Important strides have been made to fight malaria in Cambodia, which mainly affects people living in remote rural areas.
柬埔寨在抗击疟疾方面已取得重要进展。该病主要影响生活在偏远农村地区的民众。
The markets are pinpointing two areas in which the economy is most vulnerable to a downturn: housing and retailing.
市场业已显示有两个领域最易受到经济低迷的影响：住宅和零售。
It also requires communication skills and social intelligence, areas in which women, according to many studies, have a slight edge.
大量研究显示，在需要交流技巧和社会智力的领域内，女性已经略占优势。
Identify the areas in which you are weak and improve them.
找出你不擅长的领域并提升相关技能。
One of the more useful areas in which to implement this project is in a teleconference annotation application.
此项目的应用领域之一是电话会议注释应用程序。
The pages of the Lead Manager application use this general layout, in which the areas enclosed by a red box are the domain-centric components on each page (see figure 3).
LeadManager应用程序页面使用一般布局，在该布局中由红框包围的区域是每个页面上以域为中心的组件(见图3)。
Zone: a defensive tactic in which players guard areas of the court, rather than specific men.
区域联防(zone)：球员防守球场的区域，这种防守战术指的不是具体人。
Zone: a defensive tactic in which players guard areas of the court, rather than specific men.
区域联防(zone)：球员防守球场的区域，这种防守战术指的不是具体人。
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