The process began earlier this month when the terminal face rose 20m to 40m after heavy rain, which lifted millions of tonnes of ice from the water across the 600m width of the face.
裂冰过程开始于本月初，大雨后终端面上涨约20至40米，使600米宽终端面的数百万吨冰升高。
2
There isn't any output to speak of, in terms of text written to the terminal, but you should get a new file (output.xml) from running this process.
Similarly, the background task expects input from the controlling terminal, but the controlling terminal has no way of directing any characters you type to the stdin of a background process.