我们近几年已大大改善了我们的观测系统，特别是借助卫星系统，但仍有很大的差距，尤其是在深海区域。

We have significantly improved our observing systems over recent years through particularly satellite systems but there is still major gaps particularly in the deep ocean.

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他在会上报告说：卫星及地面观测系统的观测数据证明，1993年以来海平面加速上升的势头已经超过了20世纪早期。

He told the conference that satellite and ground-based systems showed that sea levels have been rising more rapidly since 1993 than they were earlier in the 20th century.

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GOES卫星系统可以同时观测近半个地球，追踪诸如云层、水汽等天气参数。

The GOES satellites see nearly a full hemisphere of the Earth at one time, tracking weather parameters like clouds and water vapor.

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