在现实世界系统中使用的生物认证有许多不同的类型。
There are a number of different types of biometric authentication that are used in real-world systems.
哲学的问题经常向我们的世界系统的基本结构提出挑战。
Philosophical issues often challenge the basic structure of our system of the world.
基于Web的技术为支持现实世界系统引入了其他挑战。
Web-based technologies introduce other challenges to supporting real-world systems.
要对现实世界系统建模，就必须处理好这所有3种变化类型。
All three types of changes must be addressed to successfully model a real-world system.
我把哲学理解为完善“世界系统”的企图，就像牛顿所理解的那样。
I think of philosophy as attempting to round out 'the system of the world', as Newton put it.
而这就是为什么我承认类的原因：它们满足了自然世界系统的数学需要。
This, then, is why I recognize sets: to meet the mathematical needs of our system of the natural world.
由人类社会与环境组成的世界系统可以概括为三种生产：物质生产、人的生产和环境生产。
The world system made up of human society and the environment could be summed up as three production: material production, hominine production and environment production.
把所有这样的活动解释为物体本身的活动，这样做的重要理由是维护物理世界系统的封闭性。
The important reason for construing all this activity as activity on the part of bodies is to preserve the closed character of the system of the physical world.
我认为不仅存在这些物理对象，而且存在抽象对象：数学的对象，我们似乎需要它们来充实世界系统。
I don't hold that there are only these physical objects. There are also abstract objects: objects of mathematics that seem to be needed to fill out the system of the world.
在人与环境所组成的世界系统中，人与环境、人与人是两种最基本的关系，它们之间相互依存并相互影响。
In the world including man and nature, one relationship between man and man and the other between man and nature are the cores of the system, and they are interactional and interdependent.
今天，在我们所生活的世界中，全球定位系统、数字地图和其他导航应用程序都可以在智能手机上使用。
Today we live in a world where GPS systems, digital maps, and other navigation apps are available on our smartphones.
总的来说，我觉得我们的教育系统，大学之前的教育在世界范围内并不好。
I think our education system, pre-college is generally not great on the world scale.
24小时新闻、电子商务、移动电话、全球定位系统，所有这些都正在使世界变得更小、发展得更快。
Twenty-four-hour news, e-commerce, mobile phones, Global Positioning Systems, all these are making the world smaller and faster.
我觉得，我们大学之前的教育系统大体上在一种世界范围内并不是很好。
I think our pre-college education system is generally not great in sort of the world scale.
世界上大部分语言使用以10、20或5为基数的数字系统。
The bulk of the world's languages use base-10, base-20 or base-5 number systems.
令人惊讶的是，干旱地区拥有着世界上最大的一些河流系统，如澳大利亚的墨累-达令河、北美的里奥格兰德河、亚洲的印度河和非洲的尼罗河。
Arid lands, surprisingly, contain some of the world's largest river systems, such as the Murray-Darling in Australia, the Rio Grande in North America, the Indus in Asia, and the Nile in Africa.
气候变暖可能会导致一个更芳香的世界，但它可能会扰乱植物使用的复杂的通讯系统。
A warming climate could lead to a more fragrant world, but it might disturb an intricate communication system used by plants.
今天，我们生活在一个可以在智能手机上使用 GPS系统、数字地图和其他导航应用程序的世界。
Today we live in a world where GPS systems, digital maps, and other navigation apps are available on our smart phones.
随着不断增长的肥胖率给公共健康系统带来越来越大的压力，世界各国政府已经开始考虑对糖也进行征税。
With surging obesity levels putting increasing strain on public health systems, governments around the world have begun to toy with the idea of taxing sugar as well.
在20世纪40年代，空中交通管制中心能够而且确实利用了第二次世界大战中新研制的雷达和改进的无线电通讯，但是这个系统还处于初级阶段。
In the 1940s, ATC centres could and did take advantage of the newly developed radar and improved radio communication brought about by the Second World War, but the system remained rudimentary.
在第一次世界大战后的那些年里，军方希望为国防建设一个美国公路系统。
In those years, just after World War I, the military wanted to build an American highway system for national defense.
在某些方面，它与科学并没有太大的不同，在科学中，我们不断地寻找系统和解码意义，这样我们就可以用一种新的方式来看待和欣赏这个世界。
In some ways, it's not so different to science, where we are constantly looking for systems and decoding meaning so that we can view and appreciate the world in a new way.
这些系统正好处于稳定、有序行为和不可预测的混沌世界（如乱流）之间的边界上。
These systems are right on the boundary between stable, orderly behavior and the unpredictable world of chaos, as exemplified by turbulence.
它是世界上最好的海洋生态系统之一的所在地，拥有1300多种鱼类和700多种珊瑚。
It is home to one of the world's finest marine ecosystems, with more than 1,300 species of fish and 700 species of coral.
美国拥有世界上最好的高速公路系统之一。
The United States has one of the best highway systems in the world.
他指出，尽管世界上很少有城市像香港和苏黎世那样多山，但香港和苏黎世都成功地建设了各自的轻铁和重铁系统。
He points out that both Hong Kong and Zurich have managed to make a success of their rail systems, heavy and light respectively, though there are few cities in the world as hilly.
然而，在不对全世界的自然生态系统的剩余区域产生不利影响的情况下，进一步增加农业面积似乎是不可能的。
However, a further increase in farming area without impacting unfavourably on what remains of the world's natural ecosystems appears unlikely.
这场争论的核心是如何管理世界上留存的自然生态系统，以及如何和在多大程度上恢复其他栖息地。
At its core, the debate is about how to manage the world's remaining natural ecosystems and about how, and how much, to restore other habitats.
世界语也有一个用旧词构造新词的高效系统。
Esperanto also has a highly productive system of constructing new words from old ones.
世界语也有一个用旧词构造新词的高效系统。
Esperanto also has a highly productive system of constructing new words from old ones.
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