- concentric mirror system
- 同心镜面系统
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
Catadioptric system — A 150 mm aperture catadioptric telescope (Maksutov) A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors (catoptrics). Catadioptric… … Wikipedia
Olympus OM system — The Olympus OM System was a line of 35mm single lens reflex cameras, lenses and accessories sold by Olympus between 1972 and 2002 (some accessories were sold through early 2003). The system was introduced by Olympus in 1972, more than a decade… … Wikipedia
digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… … Universalium
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
plasma — plasmatic /plaz mat ik/, plasmic, adj. /plaz meuh/, n. 1. Anat., Physiol. the liquid part of blood or lymph, as distinguished from the suspended elements. 2. Cell Biol. cytoplasm. 3. whey. 4. a green, faintly translucent chalcedony. 5. Physics. a … Universalium
Amsterdam — This article is about the Dutch capital. For other uses, see Amsterdam (disambiguation). Amsterdam Municipality/city From left to right and top to bot … Wikipedia
arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… … Universalium
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
KABBALAH — This entry is arranged according to the following outline: introduction general notes terms used for kabbalah the historical development of the kabbalah the early beginnings of mysticism and esotericism apocalyptic esotericism and merkabah… … Encyclopedia of Judaism
Maksutov telescope — A 150mm aperture Maksutov Cassegrain telescope. The Maksutov is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design that takes advantage of all the surfaces being nearly spherically… … Wikipedia
History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… … Wikipedia