Letters and/or number only是什么意思?

Letters and/or number only是什么意思? distinctive number or letters是什么意思 the letters write or read keep good men company and you shall be of the numbe They are very big and long,and carry lost of people or thing.（6 letters）请帮忙猜一下这个是什么东西 upper and lower case letters and numbers. With the increasing use of mobile phones and computers,less people tend to write letters.Some people ever think the skill of writing letters will disappear completely.To what extent do you agree or disagree? write the beginning letters and colour the Three Letters And Six Etiquettes是什么意思 nanoscience and nanotechnology letters 属于sci吗? Complete the passage with proper words according to the first letters given.See me?I'm Bill.Ben is my friend.We have d________ jobs.The first letters about our jobs are both W.And the last two letters are er.So I m________ be a waiter or a w________, Please enter at 6 letters or numbers for question是什么意思? Write the letters defore or after the given fill in ten capitl letters or small letterfs. 做雅思阅读遇到的一个长句,Curriculum Vitae or Resume,Business Cards,and References or Letters of Recommendation from previous employers must all be in impeccable condition before one takes any concrete action to engage into another working 英语翻译1.Numerical control provides the operational control or machines by a series of computer coded instructions comprising numbers,letters,and other symbols,which are translated into pulses of electrical current or other output signals that a 英语翻译Rules for simplifying worsd or phrases used in telex messafes1.Using the first letters of a phrases or an organization2.Retaining the first ayllable3.Retaining the first and the last letters4.Omitting all vowels excapt at the begining of The letters A,B,C,D and E are to be arranged in the boxes above,one in each box,in the following way.A must be between C and D,B must be next to E,and C cannot be in the first or fifth positions.How many different arrangements of these letters are po