搜尋結果
The World Geodetic System ( WGS) is a standard for use in cartography, geodesy, and navigation including GPS . It comprises a standard coordinate system for the Earth, a standard for raw altitude data, and a geoid that defines the nominal sea level. The latest revision is WGS 84 . Categories: Geocodes. Geodesy.
Earth radius (represented as R🜨 or ) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) ( equatorial radius, represented a) to a minimum of nearly 6,357 km (3,950 mi) ( polar radius, represented b ).
A Hello world program is usually a program made by computer programmers that are new to a programming languages, or to test if the compiler for this language is working correctly. It will simply put the text Hello, World! on the screen. [1] Wikipedia articles that have Hello world programs. ActionScript. Ada. AppleScript. Assembly language. AutoIt.
The 24-hour clock is a way of telling the time in which the day runs from midnight to midnight and is divided into 24 hours, numbered from 0 to 23. It does not use a.m. or p.m.
This article lists the 50 states of the United States. It also lists their populations, the date they became a state or agreed to the United States Declaration of Independence, their total area, land area, water area, and the number of representatives in the United States House of Representatives.
The at sign (@), otherwise known as the ampersat, is a logogram. It is used in bills, emails and programming. In email, it is used to show a specific domain of an email address. In bills, it used to mean "at a rate of". For example, 7 widgets @ £ 2 equals £14. In programming, the at sign has been used in a wide range of programming languages.
A joule ( / ˈdʒaʊl / or sometimes / ˈdʒuːl /) is a unit in the SI system. It measures energy; usually in scientific or electrical appliances . It is named after James Prescott Joule. A joule refers to the amount of energy transferred to an object when a force of 1 newton is applied on it over a distance of 1 metre (1J = 1N × 1m).
