In its technical structure, the phrase mutatis mutandis uses a perfect passive participle and a gerundive form to provide the above meaning. In a shorter translation to English, it could be represented as âchanged changesâ or a similar reiterated verb. professional editor might write âmutatis mutandisâ to indicate that a set of names, dates, or other facts would be changed consistently throughout the document. This use of the phrase can be thought of as the human equivalent of a âsearch and replaceâ command for a word processor or other software.
Aspheric Lens: An aspheric lens is designed for aberration correction. With the help of aspheric lens, the image formed is distortion free. An aspheric lens is a lens whose surfaces profile neither a portion of a sphere nor of a circular cylinder. Since it is not spherical, the conventional processes no longer apply to making aspheric surfaces. This is why aspheric cost many times what spherical surfaces do.
Table of conics, Cyclopaedia , 1728 In mathematics , a conic section (or simply conic ) is a curve obtained as the intersection of the surface of a cone with a plane . The three types of conic section are the hyperbola , the parabola , and the ellipse .