The cameras on the satellites can show details of objects as small as two and a half meters across. These images will be used to map territory and help with city planning. The pictures can also provide valuable information about crop and land conditions, and assist in disaster relief efforts.
卫星上的摄像机可以展示小到两米半宽的物体的详细信息。这些图像可以用来绘制版图和帮助规划城市。这些图片也可以提供关于作物和地面情况的可贵信息，还可以帮助救灾工作的进行。
Steve Young says this kind of information is often lacking in developing countries.
史蒂夫.杨格说在发展中国家通常很缺乏这类信息。
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In another technology development, Ghana has become the latest African country to invest in a biometric voter registration system. Such systems are used to confirm the identity of voters when they register to vote. These systems commonly use measures like fingerprints or face
recognition.
在另一项技术发展领域上，加纳已经成为了在计量选民登记系统上投资的最新的非洲国家。这种系统是用于在选民登记选举时确认他们的身份。这些系统通常采用指纹识别和人脸识别的措施。
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作者: keepyounger 时间: 2011-10-12 10:37
learn it作者: laura6688 时间: 2011-10-12 10:48
we often taking geography industry organization that we have map have planning system,we have but for a lot of countries,作者: guobinmoon 时间: 2011-12-13 07:42
