base-calling

基本解释

Then this article gives a brief introduction on the technologies used in this paper, including SS7, softswitch technologies and PPL, which is used on LSS to develop FSM based call processing software.
接着介绍了项目开发所采用的技术，包括对SS7的简介，软交换技术，和LSS上的开发工具PPL。
The runner was retired put out at first base.
跑垒者于第一垒上被刺杀出局。
The runner went to second base on a wild pitch.
一记瞎设让跑垒员跑上了第二垒。
You cannot enter a military base without a permit.
无通行证者不得擅入军事基地。
Her heavy industry rests on a broad and firm base.
它的重工业有广泛坚实的基础。