The activity of ascorbic acid peroxidase (APX) showed no remarkable change in the initial infection stage, but increased during later stage of infection.
抗坏血酸过氧化物酶(APX)的活性在感染的初期变化不明显，而在感染的后期活性有所增加。
2
APX developed each process and the careful scheduling in accordance with the Job Orders of each production line, machine and procedure whenever the factories received the Sales Orders.
把所有工厂接到的订单，按照每张订单的生产路线设定规划出整间工厂每台机器、每个工序的仔细排程。
3
It is known that the problem is APX-hard for general graphs and NP-hard for planar graphs.