名词
中文翻译：衰变常数同义词
同义词：
['decay rate', 'decay constant', 'decay rate constant']
例句：
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1. The amount of carbon dioxide in the atmosphere is a key factor in determining the rate of global warming.
大气中二氧化碳的量是决定全球变暖速率的关键因素。
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2. In the study of radioactive decay, scientists use this constant to calculate how long it will take fora substance to decay by half.
在放射性衰变的研究中，科学家们使用这个常数来计算物质半衰期需要多久。
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3.The decay constant for this element has been measured and found to be approximately 500 years.
这种元素的衰变常数已被测量并发现约为500年。