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。
The necessary and sufficient condition for circuit polynomial,matching defect polynomical and charcteristic polynomial being equal is obtained.
并且给出了圈多项式、匹配亏量多项式及特征多项式相等的充要条件。
training collar
训练项圈（驯犬用）
His dog slipped its collar and ran away.
他的狗挣脱项圈跑了。
The child had a little necklace on of gold beads.
那小孩带着金珠穿的一条小项圈。
Our dog has its name on its collar.
我们的狗的项圈上有它的名字.
The dog's collar had worn the hair off the animals neck.
狗的项圈把它脖子上的毛都磨掉了。
I can give you a jade necklace for five rupees
你出5卢比，我就能卖给你一副玉项圈。
band of leather,metal,etc put round an animal's(esp a dog's)neck
戴在动物（尤指狗）颈部的项圈
There are a variety of lightweight collars available for your puppy.
市场上有很多分量轻的项圈供你选择。
chain, neck, of base, metal, whether or not plated with precious metal
项圈,贱金属制,不论是否镀有贵金属
That gold necklace ought to bring about three hundred ....
咳！ 那一个金项圈，总可以兑成三百块……
"and he still wore the torque, the precious jade, a lock-shaped amulet containing his Buddhistic name, and a lucky charm."
"仍旧带着项圈,宝玉,寄名锁,护身符等物"
chain, neck, of precious metal, whether or not gem-set
项圈,贵金属制不论是否镶嵌宝石
metal plate on a dog collar bearing its registration number.
狗项圈上的金属牌，上面标着登记号码。
His heavy collar with the teeth marks of many a battle on it was awry.
他历经多次格斗，颈圈上留下了道道狗的牙印，现在项圈也变形了。
Then there are engraved silver collars and German and Austrian baroque(12) collars decorated with metalwork and velvet(13).
之后出现银质雕刻项圈、过金属加工和天鹅绒德国、地利巴洛克式项圈。
You tried calling the number on the collar?
你照狗脖子上项圈的电话号码打过电话了吗？
Hi Henry, haven't you noticed some of the dogs have collars?
(嗨亨利,您有没有注意有一些狗狗有项圈吗?
a duchess resplendent in ermine robes, a tiara, and a diamond dog collar.
公爵夫人华丽的白鼬外袍、头冠和项圈式衣领