南极将是轨迹的检查点，从太空中获取数据，用电脑处理，然后将数据传送到世界其他地方。
The South Pole would be the check point on circuit, snatching the data from space, processing them in computers and relaying them to the rest of the world.
每一次请求都要在网络上传输一些数据；如果请求未在服务器上发现任何更新，那么这个数据传输就是浪费的。
Each request carries some data over the network; if the request does not find any updates on the server, this data transfer is a waste.
因此，SDO 提供了从数据库加载数据并将数据传递给临时连接的客户机的功能。
SDO provides, therefore, the ability to load data from a database and pass the data to a temporarily connected client.
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