“PPM”的概念、定义、翻译、参考文献-科学参考

单词	PPM
释义	PPM Electronics and Electrical Engineering See pulse modulation.
随便看	K selection K-selection KSLV k-space K star K/T boundary event Ku band Kubitschek, Juscelino (1902–76) Kublai Khan (1216–94) Kuder–Richardson formulae kudu Kuehneosaurus latus Kuenen, Philip Henry (1902–72) Kueyen Kuhn, Richard Kuhn, Thomas Samuel (1922–96) Kuiper Belt Kuiper belt Kuiper, Gerard Peter Kuiper, Gerard Peter (1905–73) Kuiperian Ku Klux Klan kulak Kula Plate Kullback, Solomon (1903–94)

科学参考收录了60776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。