From the teaching material"the program structure"on, adopts the dynamic mobile type structure modus, realizes the learning activity tendency, the main body and the life;

从教材“程序结构”上，采取动态的活动式结构样态，实现学习活动的动态化、主体化和生命化；

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You can watch the progress of the task and check out the current activity as they are displayed in the main window of the program.

你可以看任务的进展情况，并检查了当前的活动，因为它们显示在程序的主窗口。

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During the Cold War, Hanford was a buzzing hive of activity, eventually becoming the main source of plutonium production for the nation's nuclear weapons program.

CNN: Federal funds aim to clean up nuclear wasteland