New American Practical Navigator, المجلد 1U.S. Government Printing Office, 1977 |
المحتوى
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
accuracy adjustment Air Almanac altitude AMVER appear approximately axis azimuth angle bearing buoys called celestial body celestial equator celestial horizon celestial meridian celestial navigation celestial sphere chart chronometer circle coast compass computed correction course curves dead reckoning declination degaussing depth determined deviation diagram difference direction distance earth error feet frequency given gyro gyrocompass horizon hour angle Hydrographic icebergs indicated interpolation knots latitude light line of position longitude magnetic marine maximum measured meridian angle method miles moon motion Nautical Almanac nautical miles navigation observations ocean parallel perpendicular planets plotting polar pole pressure prime vertical radar radio range refraction relative rhumb line rotation sailing scale sextant ship shown in figure signal solution sound speed stars storm surface tabulated temperature tidal tide triangle tropical cyclones vertical vessel wave weather wind zenith
مقاطع مشهورة
الصفحة 345 - Newton generalizes the law of attraction into a statement that every particle of matter in the universe attracts every other particle with a force that varies directly as the product of their masses and inversely as the square of the distance between them.
الصفحة 719 - Organization and does not relieve any vessel of her obligation under any other rule. (b) A vessel using a traffic separation scheme shall: (i) Proceed in the appropriate traffic lane in the general direction of traffic flow...
الصفحة 108 - That it shall not be lawful for any person or persons to take possession of or make use of for any purpose, or build upon, alter, deface, destroy, move, injure, obstruct by fastening vessels thereto or otherwise, or in any manner whatever impair the usefulness of any sea wall, bulkhead, jetty, dike, levee, wharf, pier, or other work built by the United States, or any piece of plant, floating or otherwise, used in the construction of such work under the control of the United States, in whole or in...
الصفحة 345 - Every body continues in a state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by a force impressed upon it.
الصفحة 463 - The second is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom.
الصفحة 719 - Joining or leaving from the side shall do so at as small an angle to the general direction of traffic flow as practicable. (c) A vessel shall so far as practicable avoid crossing traffic lanes, but if obliged to do so shall cross as nearly as practicable at right angles to the general direction of traffic flow.
الصفحة 939 - Experience shows that lightships cannot be safely used as leading marks to be passed close aboard, but should invariably be left broad off the course wherever searoom permits.
الصفحة 725 - ... sub-freezing air temperatures associated with gale force winds causing severe ice accretion on superstructures, or winds of force 10 or above on the Beaufort scale for which no storm warning has been received, shall cause to be transmitted...
الصفحة 166 - The magnitude of the moment is defined as the product of the force and the perpendicular distance from the line of action of the force to the axis of rotation.
الصفحة 108 - Whenever a vessel collides with a lightship, buoy, or other aid to navigation under the jurisdiction of the Coast Guard, or is connected with any such collision, it shall be the duty of the person in charge of such vessel to report the accident to the nearest Officer In Charge. Marine Inspection. No report on Form CG-2692 is required unless one or more of the results listed in paragraph (a) of this section occurs.