The common command Ctrl-Alt-Del is an example of such a chord.
通常的命令 Ctrl-Alt-Del 就是组合键的一个例子。
2
A chord progression is the movement of one chord to the next. This movement is governed by certain conventions in common practice.
和弦进行是指一个和弦移向另一和弦的运动。这种运动遵循常规。
3
In which one of them was common reinforced concrete structure, and the other used prestressed steel reinforced concrete (PSRC) in bottom chord of the transfer structure.