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theodolite    
n. 經緯儀

經緯儀

theodolite
n 1: a surveying instrument for measuring horizontal and
vertical angles, consisting of a small telescope mounted on
a tripod [synonym: {theodolite}, {transit}]

Theodolite \The*od"o*lite\, n. [Probably a corruption of the
alidade. See {Alidade}.]
An instrument used, especially in trigonometrical surveying,
for the accurate measurement of horizontal angles, and also
usually of vertical angles. It is variously constructed.
[1913 Webster]

Note: The theodolite consists principally of a telescope,
with cross wires in the focus of its object glass,
clamped in Y's attached to a frame that is mounted so
as to turn both on vertical and horizontal axes, the
former carrying a vernier plate on a horizontal
graduated plate or circle for azimuthal angles, and the
latter a vertical graduated arc or semicircle for
altitudes. The whole is furnished with levels and
adjusting screws and mounted on a tripod.
[1913 Webster]

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英文字典中文字典相關資料:
  • Theodolite - Wikipedia
    A theodolite ( θiˈɒdəˌlaɪt ) [1] is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes
  • Theodolites | How Does a Theodolite Work | Theodolite vs Transit | How . . .
    How Does a Theodolite Work? A theodolite works by combining optical plummets (or plumb bobs), a spirit (bubble level), and graduated circles to find vertical and horizontal angles in surveying An optical plummet ensures the theodolite is placed as close to exactly vertical above the survey point
  • Theodolite Surveying Explained - Bench Mark USA
    A theodolite is a precision optical instrument designed specifically for measuring horizontal and vertical angles It consists of a telescope mounted on two perpendicular axes, allowing it to rotate both horizontally and vertically while maintaining accurate angle measurements
  • What is Theodolite? Definition, Types and Uses and Application
    Theodolite operation is based on the exact measurement of angles and their geometry This is a crucial instrument for surveying, engineering, and building since it enables precise measurements of angles and distances
  • How to Use a Theodolite? (Complete Guide) For Civil 2026
    A theodolite is a precision instrument used for measuring angles in horizontal and vertical planes It is extensively used in surveying, engineering, and construction to establish points and determine alignments
  • An Introduction to Theodolites | Engineer Supply - EngineerSupply
    A theodolite is a precision optical instrument used to measure vertical and horizontal angles It consists of a movable telescope that can rotate and pivot on the horizontal and vertical axes
  • What is Theodolite? Types, Errors, Measurements Difference with Total . . .
    A theodolite is a precise surveying instrument used to measure horizontal and vertical angles accurately It is an essential tool in civil engineering for tasks such as alignment of roads, bridges, tunnels and buildings, as well as land surveying and construction layout
  • What is Theodolite? Uses of theodolite in surveying
    What is Theodolite? Theodolite is a measurement instrument utilized in surveying to determine horizontal and vertical angles with the tiny low telescope that may move within the horizontal and vertical planes
  • Theodolite: Types, Advantages, and Uses in Surveying
    A theodolite is a precision instrument used in surveying and engineering to measure horizontal and vertical angles It plays a crucial role in construction, topographic surveys, and mapping by helping surveyors establish precise locations and angles on the earth’s surface
  • History, Function and Legacy of Theodolites - Stable MARK
    A theodolite is a precision instrument used to measure horizontal and vertical angles in surveying, engineering, and navigation It consists of a telescope mounted on a rotating base, allowing users to align with specific points and measure angles between them





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