函的英文:
envelope
case
letter

参考例句:
  • norm functional
    范数泛函
  • Fundamental concept of calculus related to areas and other quantities modeled by functions.
    微积分的基本概念,涉及函数所围成的区域的面积与数量。
  • I am enclosing my resume together with my photo,andbelieve that they may be found satisfactory.
    兹随函附履历表及照片一份,谅阁下满意。
  • You will find enclosed with this letter a sample of new….
    随函附上本公司新出品的……样品,请查收
  • I enclose a resume for your consideration and should be grateful if you would grant me an interview.
    谨随函附上履历一份,请予考虑,倘蒙接见,不胜感激。
  • Real and Functional Analysis
    实变与泛函
  • Enclosed you will find a letter of recommendation from…
    随函附上……的推荐函。
  • To give a letter of recommendation for finding an employment
    荐函求差
  • To submit one's claim to a person
    对某某提出索赔函
  • To inform you by sending an urgent letter
    飞函奉达

envelope是什么意思
n. 信封,封皮;外壳

  • envelope airship
    飞船蒙皮
  • rupture envelope
    破裂包络线
  • adiabatic envelope
    绝热包络线

letter是什么意思
n. 字母;信;字面意义;证书,许可证;文学
v. 用字母标明,写字母于;写印刷体字母;赢得校名缩写字母标志

  • in letter and in spirit
    在字面意义和精神实质上|无论形式和实际
  • The letter was a forgery.
    这封信是伪造的。
  • Post the letter through the slit in the letter box.
    把这封信从信箱的投信口投进去。

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