The length of the polar lines is half that of the equator, and lines of longitude are semiellipses, or portions of ellipses.
12.
From the bridge, the beginning of an old railway tunnel for the Polar Line can be seen just to the north of the eastern end of the bridge.
13.
For instance, the polar line can be viewed as the set of projective harmonic conjugates of a given point, the pole, with respect to a conic.
14.
When the E6 highway was built northwards from Fauske during the 1960s, parts of the right-of-way built for the Polar Line was used for the road.
15.
In 2008, two Indian companies won a US $ 105 million contract from NamPower to lay a high-voltage direct current bi-polar line from Katima Mulilo to Otjiwarongo.
16.
There is another description of the polar line of a point "'P "'in the case that it lies outside the circle " C ".
17.
Hyperbolas intersect the line at infinity in two distinct points and the polar lines of these points are the asymptotes of the hyperbola and are the tangent lines to the hyperbola at these points of infinity.
18.
The tangent line " t " and the tangent point "'T "'have a conjugate relationship to one another, which has been generalized into the idea of pole points and polar lines.
19.
The "'Polar Line "'(, ) is an incomplete and abandoned railway line which had run northwards from Fauske, Norway, to Narvik and, if finished, ultimately would have run to Kirkenes.
20.
Adolf Hitler ordered the rapid development of the Polar Line to Kirkenes; the German commander in Norway, Generaloberst Nikolaus von Falkenhorst, demanded 145, 000 prisoners of war to carry out development of the railroad to Kirkenes within four years.
