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Java > Open Source Codes > org > jscience > physics > units > DerivedUnit


1 /*
2  * JScience - Java(TM) Tools and Libraries for the Advancement of Sciences.
3  * Copyright (C) 2005 - JScience (http://jscience.org/)
4  * All rights reserved.
5  *
6  * Permission to use, copy, modify, and distribute this software is
7  * freely granted, provided that this notice is preserved.
8  */
9 package org.jscience.physics.units;
10
11 import org.jscience.physics.quantities.Quantity;
12
13 /**
14  * <p> This abstract class identifies derived units. These are units that are
15  * formed as products of powers of the base units according to the algebraic
16  * relations linking the quantities concerned. The names and symbols of some
17  * units thus formed in terms of base units may be replaced by special names
18  * and symbols which can themselves be used to form expressions and symbols
19  * for other derived units.</p>
20  *
21  * @author <a HREF="mailto:jean-marie@dautelle.com">Jean-Marie Dautelle</a>
22  * @version 1.1, May 24, 2005
23  */
24 public abstract class DerivedUnit<Q extends Quantity> extends Unit<Q> {
25
26     /**
27      * Default constructor.
28      */
29     protected DerivedUnit() {
30     }
31 }
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