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Datum-line

Definitions

  • Chambers's Twentieth Century Dictionary
    • n Datum-line the horizontal base-line from which heights and depths are measured
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Usage

In literature:

A flint hammer-stone, and a splinter of deer's horn embedded in the chalk, at a depth of two and a half feet (below datum line).
"Stonehenge" by Frank Stevens
They measure from a higher datum line.
"An Inquiry Into The Nature Of Peace And The Terms Of Its Perpetuation" by Thorstein Veblen
Very likely one of them would have found out what a datum line is, anyway.
"Punch, or the London Charivari, Volume 159, October 27, 1920" by Various
We have, in point of fact, discovered the datum line of totemism.
"Folklore as an Historical Science" by George Laurence Gomme
On the metal print used for transmitting, and at the commencing edge a datum line is drawn across in insulating ink.
"Wireless Transmission of Photographs" by Marcus J. Martin
In the latter proportion the majority lie close to the datum line.
"The Preparation of Plantation Rubber" by Sidney Morgan
The type is, as it were, the technical datum of the design, which determines the scale of the line to be used with it.
"Arts and Crafts Essays" by Various
Axe des abscisses Datum line.
"English-French and French-English dictionary of the motor car, cycle, and boat" by Frederick Lucas
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In news:

Datum Point Tool, Inc now offers the Tight-Fit line, a customized series of tools that allows the user to corner round areas such as 90-degree inside corners.
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In science:

The non-combinatorial datum that distinguishes them is that the tangent line at Q contains (for C (2) ) or not (for C (1) ) the point P2 .
Sextics with singular points in special position
As in 4.4, every compatible datum yields the R-line E (F )N (K ).
$\epsilon$-Factors for the Period Determinants of Curves
The model which explains the line ratios is constrained by the datum in the radio range.
An analysis of infrared emission spectra from the regions near the Galactic Center
For this purpose fractal dimension and its standard deviation (dotted lines with triangles) were estimated from sets of seven points starting with the datum corresponding to October 1.
A procedure to Estimate the Fractal Dimension of Waveforms
Since the argument is symmetric changing the top line with the bottom one, we can get also a combinatorial datum satisfying (5.3).
Khinchin theorem for interval exchange transformations
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