There are two primary methods of time dissemination around the world: two-way satellite time transfer_(TWSTT) and common-view Global Position System_(GPS) time transfer.

现行的高精度远距离时间传递方式主要有GPS共视法和双向卫星时间传递技术（TWSTT）。

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For example, concerns about the harmful effects of the sun's UV rays have for some time been resolved by the invention and dissemination of sunscreen agents.

例如，在经过若干时间的焦虑后，人们对太阳的紫外线有害影响的担忧已随着防晒霜的发明和普及而烟消云散。

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With the improvement of living standards, the car has gradually into the tens of thousands of households, at the same time has also produced a bacteria gathering and dissemination of the platform.

随着生活水平的提高，汽车已逐渐走进千家万户，与此同时也产生了一个病菌聚集处和传播平台。

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The overlapping of contacts and sharing of information by those belonging to the same networks allows the dissemination of information among thousands in a short time.

CNN: How the web fed our 'dignity revolution'

Real-time collaborative information sharing platforms, that are enabled by systems like Socialtext, are speeding knowledge creation and dissemination.

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