A fine net stretched between two trees across a flight path is an effective method of catching birds in flight.
拉一张张好的网在两棵树之间，是捕捉飞行的鸟类的好办法。
2
This problem can first be solved by Hungarian Method to obtain information whether the resource of fishing grounds is greater or less than the catching capability of fishing vessels.
本文提出，对这类问题可以先用匈牙利法求解，以得到渔场资源可捕获量多或少于渔船年捕获量的信息。
3
As a major method to enhance the attraction of urban transit, how to improve transit service reliability is catching world wide concern.