| 摘要 |
<p>Computer controlled sundial on natural and artificial light working as:shade sundial or sunray sundial which units the system or natural sundial (1) with the system of computer controlled sundial (1) and (2) so that it works compatibily and defines the time day and night. Computer controlled sundial is a harmonised technical-art masterpiece which enables also acustic and optic messages on local, continental and intercontinental level.</p> |
