“perimeter”的概念、定义、翻译、参考文献-科学参考

单词	perimeter
释义	perimeter [pǝ`rim·ǝd·ǝr] ^MATHEMATICS The total length of a closed curve; for example, the perimeter of a polygon is the total length of its sides.
随便看	position angle position approximate position blocks position buoy position circle position-contouring system position control position correction position correction grid position dialing position doubtful positioned weld position effect position error position finder position finding position firing position fixing position indicator positioning positioning action positioning band positioning time position line position operator

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。