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Eng ID | Term | Definition |
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4561 | scale parallel | Used in Mercator projection charts to indicate the parallel at which the noted scale of the chart is exact. The scale parallel itself need n... more |
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4562 | scale: particular | The relation between an infinitesimal linear distance in any direction at any point on a map PROJECTION and the corresponding linear dista... more |
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4563 | scale: principal | The SCALE of a reduced or generating globe representing the sphere or SPHEROID defined by the fractional relation of their respective radii. |
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4564 | scale: small | A SCALE involving a relatively large reduction in size. A small scale chart is one covering a large area. The opposite is LARGE SCALE. See S... more |
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4565 | scale: speed | A graphic SCALE by means of which the rate of SPEED of a SURVEY SHIP, or the distance travelled in a given time can be determined quickly a... more |
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4566 | scale error | The difference between the PRINCIPAL SCALE and the PARTICULAR SCALE resulting from projection DISTORTION. |
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4567 | scale factor | A multiplier for reducing a distance obtained from a MAP by computation or scaling to the actual distance on the DATUM of the MAP. A convent... more |
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4568 | scale of hydrographic survey | That SCALE at which the POSITIONS of the SOUNDINGS in the area are plotted on the HYDROGRAPHIC SURVEY SHEET. Suitable survey scales are sele... more |
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4569 | scan | See SCOPE. |
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4570 | scanner | A device for directing a BEAM of RADIANT ENERGY successively over all points of a given region. In data processing a photo-electronic device... more |
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4571 | scanning | Directing a BEAM of RADIANT ENERGY successively over all points of a given region. |
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4572 | scar | A lofty, steep face of ROCK upon a mountain-side; a precipice; CLIFF. |
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4573 | scarp | The steep face of a HILL. See also ESCARPMENT. |
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4574 | scattering | In physics, the change in direction of a particle or WAVE, because of a collision with another particle or system. In electromagnetism, diff... more |
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4575 | scend | Upward motion of a vessel, either upward motion of the bow and stern associated with pitching, or lifting of the entire vessel by WAVES or S... more |
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4576 | schist | A foliated metamorphic ROCK which can be split into thin flakes or flat lenticles. Schists are usually named from the dominant mineral, e.... more |
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4577 | school | See SHOAL. |
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4578 | Scientific Committee on Antarctic Research (SCAR) | A committee established by ICSU to promote and coordinate antarctic research. |
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4579 | scintillation | Rapid variations, often in the form of pulsations, of the brightness of the STARS or terrestrial light sources. |
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4580 | scope | The face of a CATHODE-RAY TUBE of electronic equipment. The various methods of presenting the information on a radar scope are usually desig... more |