In fact, no matter how it's used and where it's used, photography is first and foremost a viewing activity, with its foundation of value also depending on the viewing itself.
实际上，不管是出现在何种用法和观念中，摄影首先是一种观看活动，摄影的价值基础也取决于观看本身。
Linked data, semantic analysis, analytics and data mining all form a layer on top of the content-web that could serve as the foundation for the next series of applications and other added value.
关联数据、语义分析、分析数据挖掘，这些都可以作为下一代网络产品和其它附加值的基础。
The National science Foundation was closely involved, advising organizers - and emphasizing to parents - the science and the educational value behind each of the carefully chosen activities.
美国国家科学基金会也对此密切关注，并建议组织者——并向家长们强调——每一个精心挑选的游戏背后都暗含着科学和教育的价值。
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