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- The arithmetic numberings of circular graphs C2n(1,n) have been given. It has been proven that cir cular graphs C2n+1 (1, 2) and C2n+1 (1,n) are not arithmetic graphs. 给出循环图C2n（1，n）的算术标号，证明了循环图C2n＋1（1，2）和C2n＋1（1，n）不是算术图。
- A Construction of the Sef of Arithmetic Numbers 算术数集的一种构造
- The little boy was not good at arithmetic. 这个小男孩算术不太好。
- She grounded her pupils well in arithmetic. 她给自己的学生打下良好的算术基础。
- He thumbed through the directory to look for her number. 他翻阅电话号码簿找寻她的号码。
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
- He got the answer by mental arithmetic. 他用心算得出了答案。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- He is good at mental arithmetic. 他擅长心算。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- I'm good at history but not so hot at arithmetic. 我的历史成绩不错，但算术不太好。
- The number represented by the digit or digits in2. 在释文2。中所说的由一位或几位数字表示的数。
- The students in our class number thirty. 我班总共有三十名学生。
- He brushed up on fractions before taking the arithmetic test. 在参加算术考试前他又重温了分数。
- I dialed the right number, but nobody answered. 我拨的号是对的，但没有人接电话。
- A number of new hats were on parade at the wedding. 在婚礼上见到有些人戴著新式的帽子。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The number shall be cut in on a plate. 号码将雕刻在一块金属板上。
- I seriously question a number of your assertions. 对你所坚持的说法，有几点我甚为怀疑。
- Can you tell me the cancellation number? 能不能告诉我取消号码？
