Before satellites were invented, meteorologists could only forecast the weather for about 24 or 48 hours.
在卫星发明之前，气象学家只能预测大约24或48小时的天气。
Let us hope it is only the beginning of a worldwide effort to forecast and understand space weather.
我们希望这仅仅是世界范围内预报及了解太空天气行动的的开始。
The weather forecast appears only if the check weather check box was checked on the offer-and-request page. Note that in the actual application, the weather forecast shows five days of data.
只有在供应和请求页面上选择Check weather复选框，才会显示天气预报注意，在实际的应用程序中，显示五天的天气预报数据。
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