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Back light
| Light Glossary |
Back light separates subject from background, saints from sinners, and one pro from another. angle: toward the lens from above and behind the subject, or above, behind, and slightly to the side of it, high enough to cut lens flare. it is especially helpful for video images that may suffer loss-of-edge contrast. sins: confusing this source withbackground light, and, for motivation purists, using it at all. tip: smoke, steam, and other translucent subjects adore back light of almost any color.
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Back, английский
- A defender.
- Espalda
- 1. the part of the body from the neck downwards to the waist, which is made up of the spine and the bones attached to it (note: for other terms referring to the back, see dorsal and words beginning with dorsi-, dorso-.) 2. the other side from the front she has a swelling on the back of her hand. dorsum
- Slang, vowel back-formation
- Спинка, изнаночная сторона
- To sheet a sail to windward and fill the back of the sail and thus stop the boat or propel it backwards. 2
- In the case of the wind - to shift counter clockwise from its previous direction.
- Выносить на ветер
- To back an anchor. to carry a small anchor ahead of the one by which the ship rides, to partake of the strain, and check the latter from coming home.—to back a ship at anchor. for this purpose the mizen top-sail is generally used; a hawser should be kept ready to wind her, and if the wind falls she must be hove apeak.—to back and fill. to get to windward in very narrow channels, by a series of smart alternate boards and backing, with weather tides.— to back a sail. to brace its yard so that the wind may blow directly on the front of the sail, and thus retard the ship`s course. a sailing vessel is backed by means of the sails, a steamer by reversing the paddles or screw-propeller.—to back astern. to impel the water with the oars contrary to the usual mode, or towards the head of the boat, so that she shall recede.—to back the larboard or starboard oars. to back with the right or left oars only, so as to round suddenly.—to back out. (see
- The outside or convex part of compass-timber. also a wharf.
- [1] wind changing direction anti-clockwise. a backing wind portends weather worsening in the northern hemisphere, but improving in the southern (cf. veer). [2] to trim sails so as to catch the wind on the wrong side and check the vessel’s movement. [3] usn command to reverse engines to go astern. [4] the surface of a propeller blade which faces forward.
- A two-beat diagonal gait in reverse.
Back, английский
Back, английский
Back, английский
Back, английский
Back -, английский
Под топки, под топочного пространства камина
Back - flow filter, английский
Back - pressure [backflow] valve, английский
Back - step welding, английский
Back - up course, английский
Back acter, английский
Back actor shovel; back action shovel; back actor backhoe;, английский
Back addition, английский
The projecting rear wing of a house; an outrigger. b 73
Back alley, английский
Улица в районе с плохой репутацией.
Back ampere-turns, английский
Back and fill, английский
- To use the advantage of the tide being with you when the wind is not.
- Применение поперечного действия
Back and forth, английский
Взад и перед; туда и обратно
Back and underhand stoping milling system, английский
Back arch, английский
Back away, английский
In the context of general equities, to withdraw from a previously declared interest, indication, or transaction; broker-dealer`s failure, as a market maker in a given security, to make good on a bid/offer for the minimum quantity.
Back axle, английский
The rearmost axle (usually of a two wheeled vehicle). also rear axle.
Background, английский
- Фон
- The surface area against which the pattern is contrasted. the surface area of
- The portion of a scene that sits behind the main, foreground subject. the background can be made sharp or unsharp through the use of selective focusing techniques and depth of field manipulation.
- A фоновый; внеязыко- вой knowledge
- Sound or noise that interferes with radio or sonar reception.
- Фон, задний план о ~ for
- A page that you can assign to another page to create multiple layers in a drawing.
- In a graphical user interface such as windows, a pattern or picture in the screen background that can be chosen by the user.
- The area on a card that allows a user to make the card’s image a background when clicked on.
- The area that appears behind the tiles on the start screen.
- The color or image that appears behind the content of a visual element, for example, behind the text that is displayed in a textbox control or on your graphical user interface.
- The image that appears in the conversation window.
- The picture that appears in the photos hub.
- Formations on or signals from a test object that constitute the background to a discontinuity. the higher the level of background noise, the more difficult it is to distinguish a discontinuity. background signals may arise from visual, acoustic, chemical, electrical, or radiation sources that the sensor responds to. see also sensitivity; signal-to-noise ratio.
- Formations on or signals from a test object that constitutes the background to a discontinuity. the higher the level of background noise, the more difficult it is to distinguish a discontinuity. background signals may arise from visual, acoustic, chemical, electrical or radiation sources that the sensor responds to. see also neural acuity; sensitivity; signal-to-noise ratio.
- Formations on, or signals from, a test object that constitute the background to a discontinuity. the higher the level of background noise, the more difficult it is to distinguish a discontinuity. see also background fluorescence; neural acuity; sensitivity; signal-to-noise ratio. glossary b 491
- In magnetic particle testing, the appearance or brightness of the surrounding area acting to reduce the contrast of an indication. (2) nonrelevant signal that tends to interfere with the normal reception or interpretation of the target being sought.
Especially, английский
Motivation, английский
- N мотивация
- The explanation for why a certain action was chosen, e.g., ambition, curiosity, incentive, power.
- The willingness to expend effort in doing something.
- Inspiration for action
- Inspiration for action reasons or influences that lead to specific desired behavior such as commitment to a job or continuing efforts to achieve a goal
- This can have two different meanings. it can be something that inspires an action, or it can be the way to describe the driving factor for those who consistently dedicate their energies to self-improvement.
Translucent, английский
- An object, material or vapor that transmits and diffuses light but not clear images. examples: frost gel and dense smoke. tip: use some rim light or back light.
- (1) pertaining to a medium which transmits light diffusely, so that objects viewed through it are not clearly distinguished. (2) transmitting light but causing sufficient diffusion to eliminate perception of distinct images.
- Descriptive of a material that transmits light but diffuses it sufficiently so that an image cannot be seen through the material clearly.
- Просвечивающий
- Светопрозрачный; полупрозрачный; просвечивающий
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Color temperature, kelvin scale, k, английский
Briefly: how red, blue and green the "white" light is. films are "white balanced" by choosing the correct color-temperature source (daylight, about 5,600k; tungsten, usually 3,200k) or by filtering. tip: exotic, kinky-spectrum light sources are difficult to read accurately with portable color meters. options once you determine the problem: use camera filters, gel lights and/or windows; white balance and/or filter a video camera, re-light with photographic sources, or opt for off-color scenes.
B lights, the two bs, английский
Back light and background light are frequently confused. both begin with "back," both are used to separate planes and imply depth, and both are tricky to motivate so that they appear realistic. each, however, points in a different direction. tip: discretion may dictate that only one or, on occasion, neither is really needed.to paraphrase shakespeare, in a rather different context: two b or not two b, that is the question.
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