But after further study astronomers realised that there were no stars in it, and so it must be a cloud of gas.

但是后来经过更深入地研究，天文学家们意识到那里没有任何星体，它只能是一团气体云。

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The Small Magellanic Cloud, and its companion galaxy the Large Magellanic Cloud, are the two galaxies where this type of study is possible.

小麦哲伦星云和其伴生的大麦哲伦星云，是在可能进行这种研究的两个星系。

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When scientists first turned their attention to subatomic particles, including cosmic rays, they used a device called a cloud chamber to study them.

科学家们首次将注意力转向亚原子微粒(包括宇宙射线)，并使用一种名为“云室”的装置对其进行研究。

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In the Europe Middle East and Africa (EMEA) region, where I focus a good deal of my professional (and personal) time, IDC recently conducted an SMB Cloud Adoption Study to investigate how cloud computing will impact small and midsize businesses (SMBs) in the next three years.

FORBES: Are Technology Providers Clouding Your View of Business?

Another Deloitte study confirmed that cloud deployments delivered greater investment returns with a shorter payback period when compared to the traditional on-premise delivery option.

FORBES: The Economic Benefit of Cloud Computing

Still, the points raised in the MeriTalk study also provide a case for cloud within the private sector as well.

FORBES: What Would Happen If Every Federal Agency Moved At Least 3 Applications to the Cloud?