This paper introduces various complicated signal alarming functions and special terms;It summarizes the principle of systems controlling and the structure of handware;It also presents various signal alarming program in which the PLC is applied.

In the C/E translation,therefore,we are supposed to attach much importance to professional terms,formal words,accurate diction and syntax application.

This essay mainly discusses financial law,financial conglomerate,securities law and English translation and application involving the translating and usage of professional terms.

In order to enable professional technicians and majors involved in IT field to master the formation and the functional significance of technical terms, which leads to proper application of technical terms in the study for Science and Technology.

This paper, from aspects such as the correct use of prepositions and choice of technical terms, makes an analysis on main issues concerning the translation of titles for academic papers, and then proposes several ways to improve their quality in accordance with their accuracy, concision, transferability and vividness.

As a section of formal language, technical terms are usually cited by experts in the technical domain, which are the means of technical communication.

Most of technical terms in computer English are formed by giving new meaning to common words, creating new lexis and adopting technical phrases including many initialisms and clipped words.