恒量造句

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1.
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物理学的任务是发现普遍的自然规律。因为这样的规律的最简单的形式之一表现为某种物理量的不变性，所以对于守恒量的寻求不仅是合理的，而且也是极为重要的研究方向。

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Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /www/wwwroot/pykjmxsj.com/e/class/connect.php on line 2424

Warning: Use of undefined constant wburl - assumed 'wburl' (this will throw an Error in a future version of PHP) in /www/wwwroot/pykjmxsj.com/e/class/connect.php on line 2424

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Warning: Use of undefined constant newsurl - assumed 'newsurl' (this will throw an Error in a future version of PHP) in /www/wwwroot/pykjmxsj.com/e/class/connect.php on line 2440

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2.
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忽略支点的摩擦和空气对摆的阻力,摆的机械能为恒量.

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3.
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, 显而易见，一切事物都是在变化着的。物质是不灭的，它们总是绝对地保持着原有的恒量。

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4.
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物理学的任务是发现普遍的自然规律。因为这样的规律的最简单的形式之一表现为某种物理量的不变性，所以对于守恒量的寻求不仅是合理的，而且也是极为重要的研究方向。