二次操作 meaning in English

secondary actions

The one touch technique optimizes bt download and can automatically download target files after getting seeds information , hence no need to operate again
One touch技术优化bt下载，获取种子文件后自动下载目标文件，无须二次操作。
Its most outstanding feature is that dp 4850 can accomplish black and chromatic printing with the speed of 50ppm without a second operation , so that it can deal with chromatic printing tasks in all kinds of application environments
尤为出色的是， dp 4850无需二次操作，就能以50ppm的速度一次完成黑色和套色打印，从而方便快速的在各类应用环境中完成套色打印任务。
The system , to generate operation order automatically , divides operation regulations into primary and secondary parts . the reasoning machine for primary equipment is developed based on the backward tracking searching strategy with inspiration
在自动开票系统中把规则分成一、二次操作规则，开发了基于带启发信息的回溯搜索策略的一次设备推理机，推理速度快，成功率高。