名词
中文翻译：双精度常量
同义词：
['double precision variable', 'double precision value']
例句：
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1. In programming, a double precision constant is used to store values that require high precision in calculations.
在编程中，双精度常量用于存储需要高精度计算的值。
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2. The software engineer needs to ensure that the double precision constants are accurate and consistent across different platforms.
软件工程师需要确保在不同平台上的双精度常量准确且一致。
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3. The scientist used a double precision constant to calculate the results of their experiment with high precision.
科学家使用一个双精度常量以高精度计算他们的实验结果。