许多安全和情报机关重复作业，造成冗余和浪费。
Many security and intelligence agencies do the same work, creating redundancy and waste.
腐蚀的发生，会导致大量的重复作业，使原油的生产成本不断上升。
The corrosion causes a lot of repeated well repair, and make the production cost rise continuously.
重复作业：电脑可以上千次的进行相似的操作，而不会感到厌烦，疲劳，也不会粗心大意。
Repetitive operation: a computer can perform similar operations thousands of times, without becoming bored, tired, or careless.
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