You would recognize a self signed certificate by the fact that subject and issuer fields contain the same string while there is no certificate attribute set indicating this is a ca certificate.

自签署证书的特征是，主题和颁发者字段包含相同的字符串，而且没有设置表示这是ca证书的证书属性。

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A title, which expresses a short, human readable subject line for the entry, and can be a blank string (represented by an empty title element, such as).

标题(title)，简短的、人类可读的记录主体行；允许使用空字符串(用空的标题元素表示，如)。

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The fulfills(Subject subject, String relationship) method is used for dealing with special relationships.

fulfills(Subject subject, String relationship) 方法被用于处理特定关系。

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The new 787 Dreamliner has been the subject of negative publicity after a string of recent mechanical and other problems.

CNN: Japan Airlines review confirms fuel leak from 787

However, the biggest problem, both authors believe, is that string theorists have promoted their subject aggressively, often taking the best jobs in universities and blocking the advancement of physicists who would seek to use other means to unify the laws of physics.

ECONOMIST: Theoretical physics

In baseball circles, that's an accomplishment most notably associated with Oakland A's General Manager Billy Beane, the subject of the book Moneyball, for the string of winning clubs he put together earlier in the decade on budgets that resembled the petty cash drawers of the Yankees or Red Sox.

FORBES: Magazine Article