One of the first recorded uses of a diamond engagement ring was Archduke Maximilian of Austria's proposal to Mary of Burgundy with a ring set with thin, flat pieces of diamonds in the shape of an "M."

关于钻戒使用的最早记录中有一条是奥地利大公马克西米利安向勃垦地的玛丽求婚时，赠与了一个M形又薄又平的钻石镶嵌的戒指。

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You can see that each ring in the multi-polygon is transformed to a single sub-path in SVG, started with the m control character and terminated with Z to close the ring.

可以看到，多多边形中的每个环都被转换成s VG中的一个子路径，每个环以控制字符m开始，以Z结束。

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Further, if S is a semiprime ring, then every maximal kernel of M is a direct summand of M.

进一步，如果S是半素环，那么M的每个极大核是M的一个直和项。

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That's the mentality I'm going in the ring with - I have to go and win this to move to the next level.

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"When I get Cleverly in the ring I'm going to annihilate him, " said the 27-year-old Bellew, known as 'Bomber'.

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"I'm a bit tired - it's been a long time since I've been in the ring for 12 rounds, " said Wilders.

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