In simple terms, this means that what looks like a m: m relationship is in reality two 1: m relationships.
简单来讲，这意味着一个m： m关系实际上就是两个1：m关系。
In a database, three tables represent m: m relationships: the two tables you'd expect (Book and Author), and a third join table (BookAuthor).
在数据库中，用三个表表示m： m关系：前两个表您已经知道了(Book和Author)，第三个是一个连接表(BookAuthor)。
On the presentation side, select fields are the default choice for m: m relationships, but they aren't the only choice.
在表示方面，选择字段是m： m关系的默认选择，但它们不是惟一的选择。
Any time you think that you have a simple m: m relationship between two classes, a third class is probably waiting to be discovered.
任何时候您认为两个类之间存在着简单的m： m关系时，可能还需要从中发现第三个类。
Zhang M M, Shen J P, He J Z, et al. Microbial mechanisms of nitrification inhibitors and their applicatio[J]. Journal of Agro-Environment Science, 2014,33(11):2077-2083.
张苗苗，沈菊培，贺纪正，等。硝化抑制剂的微生物抑制机理及其应用[J]。农业环境科学学报，2014，33（11）：2077-2083。
The butter-like material only melts when it hits the respiratory tract, leaving the virus free to infect cells - a process scientists say is like an M&M melting in the mouth.
这种油状物质在进入呼吸道后才会融化，病毒被释放后即会感染细胞。科学家称这一过程如同M&M巧克力豆在嘴里融化。
Billy will wear a special jersey for the occasion that is initialled with the letter m... m for Milan, the team of his life.
这场比赛比利将穿上一件特殊的球衣，上面印有字母M - - -，M代表了米兰，这是他生命中的球队。
Replication: two copies of both data and metadata (set using -m, -M, -r, -R)
复制：数据和元数据都有两个拷贝（使用 -m, -M, -r, -R设置）
For instance, germs are invisible and so they are easy to ignore when "something of particular value, like a yellow peanut M&M" falls to the floor, he said.
比如说，人们肉眼看不到细菌，所以它们就很容易被忽略，特别是“有特殊价值的东西，比如一颗黄色的M&M花生巧克力豆”掉在地板上的时候，他说道。
Because germs are out of sight, the belief is there is no harm in picking up the M&M and popping it in your mouth.
因为细菌是看不见的，人们就相信把巧克力豆捡起来放进嘴里完全没有坏处。
Precisely, what did you keep from the old M&M universe?
准确的说，旧的魔法门宇宙中哪些东西会被保留？
Can you tell the difference between a pill and an M&M? Can your toddler?
你能分清楚药片和M&M巧克力豆之间的区别吗？那你的孩子可以吗？
THE darkest character in Joseph Heller's dark novel, "Catch-22", is Milo Minderbinder, a lowly mess officer who runs a huge business empire, M&M Enterprises, on the side.
约瑟夫•海勒的黑色幽默小说《第二十二条军规》里最黑暗的人物是米洛•明德宾德，他是一个职务卑微的司务长，另一面他却经营者一个庞大的商业帝国，M&M企业集团。
Love just like a bag of M&M beans, you never know what color you gonna get!
爱情就像一袋彩虹豆，你永远也不知道下一粒是什么颜色的！
Such games, also known as M. M. O. 's, allow hundreds or thousands of players to simultaneously explore vast virtual worlds stocked with quests, monsters and treasure.
大型多人游戏，又称为MMO，允许数百或数千名玩家同时探索巨大的充满任务、怪物和财宝的虚拟世界。
Wenzhou Medical College was approved as a Master of Medicine education pilot unit in 2000, having a current enrollment of approximately 200 M. M. Candidates.
温州医学院于2000年被批准为临床医学硕士专业学位试点单位，目前临床医学硕士专业学位在校生近200人。
The paper deals with an M/M/1 feedback queue with working vacations in which customers are either "positive" or "negative".
本文分析了一个泊松到达、一般服务的单服务台休假排队，休假策略是工作休假和休假中止。
Her old charm bracelet tinkled clumsily in the wind. The silver letters spelling E-M-M-A were tarnished and rusted, contrary to her childhood belief that they were made of fairy silver.
她的旧的漂亮的手链在风中叮叮铛铛地响起来，银色的拼写字母E-M-M-A已经生锈和掉色，童年时她曾坚信它是有闪闪发亮的银子制成，永不褪色。
Her old charm bracelet tinkled clumsily in the wind. The silver letters spelling E-M-M-A were tarnished and rusted, contrary to her childhood belief that they were made of fairy silver.
她的旧的漂亮的手链在风中叮叮铛铛地响起来，银色的拼写字母E-M-M-A已经生锈和掉色，童年时她曾坚信它是有闪闪发亮的银子制成，永不褪色。
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