Astronomers have found a disk of dust around a huge, massive star in its early stages of growth, indicating that stars big and small form by the same mechanism.
天文学家发现一个碟状的尘埃围绕着一个巨型星体，该星体正在它的成长阶段，说明星体无论大小，形成的机制是一样的。
CDATA is a mechanism for indicating that a portion of the document may contain unescaped reserved characters.
CDATA是表明某一部分文档可能包含非转义保留字符的一种机制。
The security of its authentication mechanism is studied, indicating that it can protect against the common types of attacks.
对该认证机制的安全性进行了研究，分析表明它能抵抗常见类型的攻击。
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