The system has two modes of operation, manual and automatic, and gives automatic anti-skid protection in each mode.
系统有两种工作模式，人工和自动，在每种模式下都可以提供自动防滞保护。
The traditional manual operation mode can not adapt to the new harbor development trend and has to be combined with the field bus technology in order to realize the automatic operation mode.
传统的人工运行模式已不能适应新的港口发展趋势，因此在港口物料输送系统中引入现场总线技术，来实现无人值守的自动化运行模式显得尤为重要。
The traditional manual operation mode can not adapt to the new harbor development trend and has to be combined with the field bus technology in order to realize the automatic operation mode.
传统的人工运行模式已不能适应新的港口发展趋势，因此在港口物料输送系统中引入现场总线技术，来实现无人值守的自动化运行模式显得尤为重要。
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