This is a bit tacky because you will have to double check it each time you alter the stub, which will be quite frequently while developing.
这种事情有点麻烦，因为每次改变该部分就需要检查2次，而且开发过程中这些事情都是很频繁的。
2
The feasibility and convenience of the approach was tested through the complete design process of NTL single-stub series-matching and NTL double-stub parallel matching network.