Technical writing, a form of technical communication, is a style of writing used in fields as diverse as computer hardware and software, engineering, chemistry, the aerospace industry, robotics, finance, consumer electronics, and biotechnology. wikipedia.org

The Chinese language is a language or language family consisting of varieties which are mutually intelligible to varying degrees. About one-fifth of the world's population, or over one billion people, speaks some variety of Chinese as their native language. wikipedia.org

Technical support or tech support refers to a range of services by which enterprises provide assistance to users of technology products such as mobile phones, televisions, computers, software products or other electronic or mechanical goods.

Software testing is an investigation conducted to provide stakeholders with information about the quality of the product or service under test. wikipedia.org

Marketing research is the process or set of processes that links the producers, customers, and end users to the marketer through information. wikipedia.org

Mobile application testing is a process by which application software developed for hand held mobile devices is tested for its functionality, usability and consistency. wikipedia.org

Technical translation is a type of specialized translation involving the translation of documents produced by technical writers, or more specifically, texts which relate to technological subject areas or texts which deal with the practical application of scientific and technological information.