The format specification of scientific papers for the entries in the Beidou Cup National Youth Science and Technology Innovation Competition is 1. The general requirement is that the full text should not exceed 5000 words (including Chinese and English abstracts), which are arranged in the following order: work name, author, instructor, school name+department name+school city+zip code, abstract, keywords, text and references. Adopt Word 2003 version. 2. This page needs A4 paper. Margins: 25mm at the top, 25mm at the bottom, 20mm at the left and 20mm at the right. The text is in small four-letter font, with standard word spacing and single-line spacing. Don't set the header, the page number is at the bottom and middle of the page. 3. The chart requires the illustrations to be numbered in sequence, and the name (located at the bottom of the chart) and embedded layout should be added. The characters in the figure are small pentacle, and the symbols are small pentacle Times New Roman (vectors and matrices are in black italics); The abscissa and ordinate of the coordinate diagram shall be marked with the name and symbol/unit of the corresponding quantity. The tables are numbered sequentially, and the table title (located at the top of the table) is added. Use a three-line meter and add auxiliary lines if necessary. 4. Size and font requirements for small scientific papers [r 1] Title [r 1] Author: ×××××××××, ××××××× [R2] Instructor: ××××××× [R3] (XX College of XX University) Contact person. (Blank line) 1 Background and significance 2 Design scheme or experimental process [r6] 3 Theoretical design calculation 4 Working (experimental) principle and performance analysis 5 Innovation and application ... The symbols representing physical quantities in this paper, and the letters representing points, lines and surfaces are italicized by Times New Roman; Symbols, functions, etc. Represents legal units of measurement, prefixes, etc. The symbols of chemical elements are in new Roman font. (Blank line) Reference [r7] [1] xxx, xxx. Present situation and development. Energy-saving machinery, 200 1, 23 (3) [R8]: 275-279 [2] XXX. Technical basis of XX. XXXXXX Publishing House, translated by1996:15-47 [3] xxxx, xxxx, XXX. Introduction to robot operation mathematics. XXXX press,1998:11-67 [r9] [4] Li Hy, Reinholtz C F inverse kinematics of serial chain manipulator [J].ASME journal of mechanical design. 1996,118 (3): 396-404 [r1] The title of the work is in the center, bold No.3, 0.5 lines before and after the paragraph [R2] No.5 Song Style Center [R3] No.5 Song Style Center [r4] Chinese. Numbers: Times New Roman [r5] small four black, centered [r6] section title small four bold, the number Times New Roman before the title bold, 0.5 lines before and after the paragraph bold [r7] small five bold, centered [r8] volume (period) [r9] small five.