1. 包围曝光：按下相机背后的采单(menu)键,进入用户自定义设置(custum settings),然后选择包围曝光(bracketing)/闪光灯. 当出现包围曝光/闪光灯命令时,选择内置闪光灯(built-in flash),然后选择commander mode,在高亮的built-in区域里,
2. 方括号法：boundary symbol 界线符号 | bracketing 方括号法 | branching 分枝法
3. 方括弧法：boundary symbol 界線符號 | bracketing 方括弧法 | branching 分枝法
1. The removal of the bracketing structures started on Thursday and was divided into seven steps.