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Group velocity
| Glossary Of Laser Terminology |
- The velocity with which the envelope of a weak narrow-band optical pulse propagates in a medium
- 1) the velocity of propagation of an envelope produced when an electromagnetic wave is modulated by, or mixed with, other waves of different frequencies. 2) for a particular mode, the reciprocal of the rate of change of the phase constant with respect to angular frequency. 3) the velocity of the modulated optical power. h
- Speed at which the envelope of an ultrasonic pulse (many frequencies) propagates through the medium.7 h
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Group, английский
- Set of seven balls (stripes or solids) one must pocket first in a game of eight-ball
- Genitive
- Группа; групповой
- Группа
- Several people, animals or things which are all close together a group of patients were waiting in the surgery. verb to bring things or people together in a group, or come together in a group the drugs are grouped under the heading ‘antibiotics’.
- N группа, фраза | a фразовый verb lexical-semantic ~ лексико-семантическая группа stress ~ ударная группа
- Группа. в клинических исследованиях- множество пациентов, имеющих что-нибудь общее, например одинаковое лечение или одинаковую тяжесть заболевания. half-life: период полувыведения. синоним: elimination half-life.
- A set of islands not ranged in a row so as to form a chain, and the word is often used synonymously with cluster.
- [1] usn term for a number of ships or aircraft temporarily operating together for a specific purpose (see task organization). [2] the collections of letters forming words in a cipher or code.
- A forum in which participating nations discuss and reach consensus on how naval co-operation and guidance for shipping doctrine and procedures can be applied and exercised in the pacific and indian oceans. in 2008, participants include: australia, canada, chile, republic of korea, united kingdom, united states of america, and south africa.
- An integrated grouping of ranges of diamond-drill fittings wherein boreholes drilled with one range can be cased and continued with the next smaller range. the second letter in two- and three-letter names is called the group letter because in combination with the range letter it establishes specific dimensions for all diameters affecting the nesting of casings. the group characteristics established are: set reaming-shell outside diameter, casing outside diameter, and casing-coupling inside diameter. in two-letter names the group letter also may establish the design characteristics affecting core size and interchangeability of parts. see x, w; see also appendix, table 1. compare design, range.
- Группа; класс; совокупность; комплект
- Also known as `submix`, a smaller mix of tracks or instruments feeding a larger or master mixing board. typical groups include a vocal group, keyboard group and percussion group.
- The sway button that allows the user to change a set of cards into a group of cards.
- A unit of several group art units in the manufacturing, electrical, chemical, or design area managed by a group director. groups are now referred to as a technology center, or tc.
Group (drg), английский
Group (of facsimile terminals), английский
Group 1 licence holders, английский
This includes people who drive motor cars and motor cycles.
Group 2, английский
Group 2 licence holders, английский
This includes people who drive large lorries and buses.
Group 3, английский
Group 4, английский
Group 4 facsimile apparatus, английский
Group access, английский
Доступ группы; групповой доступ
Group account, английский
A collection of user accounts in a workgroup, identified by group name and personal id (pid). permissions assigned to a group apply to all users in the group.
Group ad-hoc network, английский
Personal area networks (pan) that communicate directly between one or more bluetooth-enabled computers or devices.
Group adapter, английский
Групповой адаптер
Group address, английский
Групповой адрес
Group addressing, английский
Групповая адресация
Group adjustment, английский
Group adjustment by condition equations, английский
Group administration (employee benefit) plan, английский
Group administration (employee benefit) plans, английский
Group analysis, английский
Group attribute, английский
Атрибут группы
Propagation, английский
- Прохождение, распространение (напр, радиоволн)
- An act of causing something to spread or multiply
- Распространение; размножение; продвижение; передача
- Распространение
- The process of distributing an index from a content index server to one or more web servers for the purposes of providing search.
- Advancement of a wave through a medium.
- Advancement of energy or a crack through a medium. see also brittle crack propagation; ductile crack propagation; fatigue crack propagation.
- Movement of a wave through a medium.7,21
Electromagnetic, английский
Particular, английский
A частный; конкретный grammar partitioned a разделённый на части sequence 1 одна из базовых операций компьютерной обработки текстов; в каче- стве данных берутся текст либо сегмент текста, грамматика и цель разбора, а на выходе получается удовлетворяющее цели множество значений категориальной отнесённости сегментов в виде, например, дерева разбора. 2 применяется запоминание также и гипотез, выдвигаемых при разбо- ре, и результатов их проверки – м. кэй. 3 используется, в частности, для разбора арифметических выражений. partitioning n членение sentence ~ членение предложений (напр., при переводе )
Reciprocal, английский
- Эквивалентный; обратная величина; возвратный; взаимообратный
- A взаимный pronoun
- A course or bearing 180° opposed to the one specified or being followed.
Ultrasonic, английский
- Manufacturers` association ассоциация фирм — изготовителей изделий с использованием ультразвука
- Of or relating to acoustic vibration frequencies greater than about 20 khz.
- Pertaining to acoustic vibration frequencies greater than about 20 khz.
- Of or relating to acoustic vibration frequencies greater than about 20 khz.7,22
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Phase-matching bandwidth, английский
The width of an optical frequency range in which some process (e.g. a nonlinear interaction) can be efficient due to more or less precise phase matching
Phase velocity, английский
- The velocity with which phase fronts propagate in a medium
- Velocity of a single-frequency continuous wave.
- Velocity of a single frequency continuous wave.7
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