挑戰杯用英語怎麼說?

請問：全國大學生挑戰杯大賽 英語怎麼說

應該是數學建模的挑戰杯吧。。化學我覺得這樣說

第幾屆你要說一下，x=1st,2nd,3rd,4th,5th...etc

Xth National University Students "Challenge Cup" for Chemistry Contest

挑戰杯校二等獎英語怎麼說

Give a challenge for second reward of School Cup.

“挑戰杯全國大學生課外學術科技作品競賽“的官方英文名是什麼啊？ 20分

“Challenge Cup” National Science and Technology College of extra-curricular academic暢competition works

“挑戰杯”全國大學生課外學術科技作品競賽 怎麼翻譯

"Challenge Cup" Nat膽onal Science and Technology College of extra-curricular academic competition works

翻譯成英文？2005年04月在挑戰杯全國大學生科技創新大賽中獲得二等獎

Won the second prize of Ch罰llenge Cup the National Science and Technology Innovation Competition in April 2005.

挑戰杯創業大賽中榮獲校級三等獎用英語怎麼說

Challenge cup venture competition won the third prize from school

第十四屆挑戰杯優秀志願者銅獎用英語怎麼講

The fourteenth Challenge Cup Outstanding Volunteer Award

第十四屆挑戰杯優秀志願者銅獎