Jon's next social engineering attack involves a good friend of his who works for the local telephone company.
Jon的下一个社交工程攻击涉及他的一个好朋友，此人为当地电话公司工作。
2
This invention refers to public telephone, data exchanging network system engineering tech.
本发明属于公用电话、数据交换网系统工程技术。
3
Electronic engineering as a profession sprang from technological improvements in the telegraph industry in the late 1800s and the radio and the telephone industries in the early 1900s.