|
Перевод: ellipse
[существительное] эллипс ; овал ; предмет овальной формы; эллипсис
Тезаурус:
- If the indices are raised, say, from 2 to , then the closed curve produced has more character than a simple rectangle or a simple ellipse it becomes a superellipse .
- A circle may be considered as an ellipse that is seen full frontal , at right angles to the central visual ray of the eye, the CVR .
- The point F is one of two foci possessed by the ellipse.
- AOB is the major axis of the ellipse.
- To draw an ellipse
- The church was not a circle ruled from a centre, but an a-centralized ellipse, the points on which were the bishoprics of the world.
- Ellipse shows the estimated location of the infrared source.
- If we knew how it was produced, for example not by moving a pencil round on one end of a taut thread, but along one fixed at both ends, we could conclude that it really is an ellipse and not a circle.
- It can also be shown that a general equation for an ellipse is of the form:
- To draw an ellipse using a length of string, tie the string, length = 2 a (1 + e ), into a continuous loop.
- If the two foci of an ellipse are points O and P , and D is any point on the circumference, the OD + PD is a constant for that ellipse.
- The nearer F is to A , the narrower the ellipse.
- The circle is a special case of the ellipse in which the two axes are equal in length.
|
|
|