2MASS是什么意思 2MASS的读音、翻译、用法

2MASS这个词语来源于英语，是“Two Micron All-Sky Survey”的缩写，意为“全天两微米巡天调查”。2MASS是一个天文学项目，旨在利用近红外光谱范围内的观测数据，制作出全天范围内的天体图谱。以下是含有2MASS这个词语的9个例句：

1. The 2MASS survey was conducted between 1997 and 2001. （2MASS调查在xx年至xx年进行。）

2. The 2MASS catalog contains millions of stars, galaxies and other celestial objects. （2MASS目录包含数百万颗恒星、星系和其他天体。）

3. The 2MASS team used two 1.3-meter telescopes to conduct the survey. （2MASS团队使用两台1.3米望远镜进行了调查。）

4. The 2MASS project was funded by the National Aeronautics and Space Administration (NASA) and the National Science Foundation (NSF). （2MASS项目由美国国家航空航天局（NASA）和国家科学基金会（NSF）资助。）

5. The 2MASS survey detected many brown dwarfs, which are objects too large to be planets but too small to be stars. （2MASS调查发现了许多棕矮星，它们太大而不可能是行星，但太小而不可能是恒星。）

6. The 2MASS data has been used to study the structure of the Milky Way galaxy. （2MASS数据已被用于研究银河系的结构。）

7. The 2MASS survey covered the entire sky and produced images of more than 1.5 million galaxies. （2MASS调查覆盖了整个天空，制作了超过150万个星系的图像。）

8. The 2MASS survey was critical for identifying potential targets for follow-up observations by other telescopes. （2MASS调查对于确定其他望远镜后续观测的潜在目标至关重要。）

9. The 2MASS project has contributed significantly to our understanding of the properties and distribution of low-mass stars in the galaxy. （2MASS项目对我们理解银河系中低质量恒星的性质和分布做出了重要贡献。）

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