Let m and n be positive integral numbers, f(m ,n) denotes the numbers of necklaces that are composed of n beads with m colors, and g(m,n) denotes the numbers of necklaces that are composed of m red beads and n white beads.
设m、n为正整数,f(m,n)表示用m种颜色的珠子做成的不同n-珠项链的数目,g(m,n)表示用m颗红珠和n颗白珠做成的不同项链的数目,本文给出了f(m,n)和g(m,n)的表达式。
Revisiting The Necklace;
玛蒂尔德,不该被忽视的美德——关于《项链》的再思考
The Necklace is the representative works of Maupassant.
《项链》是法国短篇小说巨匠莫泊桑的代表作。
You can rub up the silver necklace and Bring Back its shine.
你可以擦亮银项链使其光泽重现。
She wore a locket hanging on a silver chain.
她戴着银项链儿, 坠着个挂盒.
In all of the photos after that, the medallion was always there on the silver chain.
以后所有他的照片上都有这个小圆牌挂在银项链上。
He was here with her, right in this kitchen, in his white shirt, long gray hair, khaki slacks, brown sandals, silver bracelet, and silver chain around his neck.
他就在这厨房里同她在一起,白衬衫,灰长发,咔叽布裤子,棕色凉鞋,银手镯,银项链。
The top three buttons were undone, and she could see tight chest muscles just below the plain silver chain around his neck.
衬衫上面三个扣子敞开着她可以看见他脖子里银项链下面紧绷绷的胸
When she had first looked at this clipping, years ago, she could see the silver chain around his neck now had a small medallion attached to it.
她多年前第一次见到这张照片时还看得出他脖子里的银项链上系着一个小小的圆牌。
Louise recalls glimpsing Lucie on her way out in sandals and a black one-piece dress, and a silver necklace with hearts on it.
路易斯回忆说她当时看到露茜穿着一双便鞋，黑色连衣裙，戴着一条心形银项链。
a necklace of silver, glass and amber
一条用银、玻璃和琥珀做成的项链
She had a silver peace symbol hanging on a chain around her neck.
她有一个银制的和平标志挂在项链上。
She wears a small silver cross on a chain round her neck .
她脖子上戴著项链,上面挂著个银的小十字架。
She wear a small silver cross on a chain round her neck
她脖子上戴著项链, 上面挂著个银的小十字架
But my wife wants a gold chain, and I want a pair of silver buckles.'
但我的太太要一条金项链，我也要一对银纽扣。’
She wore a small silver cross on a chain round her neck.
她脖子上戴着项链, 上面挂着个银的小十字架.
She wore a small sliver crucifix on a chain round her neck.
她脖子上戴着项链，上面挂着银的十字架。
925 sterling silver short chain necklace with large faceted clear crystal; toggle closure.
925英镑银色短链项链与大在上雕琢平面的清楚水晶;乒乓键关闭。
a diamond ring, necklace, etc
钻石戒指、 项链等.
Your necklace is just like mine.
你的项链和我的项链很相似。
necklace of coral (natural or agglomerated)
珊瑚（天然或凝聚的）项链