测量单位：用于表示与其相比较的同
<?php
namespace PhpUnitsOfMeasureTest;
use PhpUnitsOfMeasure\UnitOfMeasure;
class UnitOfMeasureTest extends \PHPUnit_Framework_TestCase
{
/**
* @covers \PhpUnitsOfMeasure\UnitOfMeasure::__construct
* @covers \PhpUnitsOfMeasure\UnitOfMeasure::getName
*/
public function testGetName()
{
$uom = new UnitOfMeasure(
'quatloos',
function ($valueInNativeUnit) {
return $valueInNativeUnit;
},
function ($valueInThisUnit) {
return $valueInThisUnit;
}
);
$this->assertEquals('quatloos', $uom->getName());
}Conventional definition of species size and specific amounts used.
Chinese name measurement unit definition Definition and specific quantity unit symbol m Also name measurement unit
Definition: Conventional definition and symbol used to express the same type of quantity compared with it The specific amount used.
①The units of measurement are given names and symbols by convention. For example, the unit name of length is meter and the unit symbol is m.
②Quantities of the same dimension Even if these quantities are not the same quantity, their units can have the same name and symbol. For example, the units of work, heat, and energy are Joules (J).
③The unit of measurement is also called the unit of measurement in our country.
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