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。
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sVG中的一个子路径，每个环以控制字符m开始，以Z结束。
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。
We investigate the dependence of the focusing contribution on the order m of local ring of underlying traditional Fresnel zone plate.
在本文中，我们讨论了聚焦贡献对潜在的传统菲涅耳波带片上的环的阶次的依赖性。
In this paper, we introduce the notion of M-valuation systems for a commutative ring, and investigate the M-valuations from the inside of a commutative ring.
在本文中，我们引进了M -赋值系统的概念，从环的内部给出交换环上M -赋值的结构。
Medium pressure metal ring (m type) conduct the pressure into the pipe though the hole of path and groove to increase the reaction strength of metal ring.
中压型金属密封环(m型)将压力径侧孔或槽引入管内，以便加大密封环之反应力。
Another convenient feature of the models in the m series is the serrated bezel ring, which is easy to turn even in cold conditions while wearing gloves.
另一个在M系列机型的特点是方便锯齿状挡板圈，这是很容易把在寒冷的条件下，甚至戴着手套。
We are pleased to tell you that we have shipped today by m. v. "Red Ring" 100 sets of sewing machines.
很高兴通知贵方，近日已将100台缝纫机装至“红指环号”船上。
A ring Re, (M) iff each nonzero homomorphic image of R either contains a nonzero M-ideal or has an essential ideal.
一个环R∈（M）当且仅当R的每一个非零同态象或者包含一个非零M理想或者有本质理想。
The closing bell rings at 4 p. m. Many famous people at different times have obtained the honour to ring it.
收盘的钟声在下午四点响起，许多不同时期的名人都得到过敲钟的荣誉。
Analyses hydraulic system of cutting unit of roadheader-ring MLE250/500-M and the electro-hydraulic control technology was adopted, it may obtain higher speed of roadheader-ring in mining face.
分析了MLE250/500-M型掘锚机截割机构的液压系统，提出采用电液控制技术方案，从而达到快速掘进的目的。
Analyses hydraulic system of cutting unit of roadheader-ring MLE250/500-M and the electro-hydraulic control technology was adopted, it may obtain higher speed of roadheader-ring in mining face.
分析了MLE250/500-M型掘锚机截割机构的液压系统，提出采用电液控制技术方案，从而达到快速掘进的目的。
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