perfect number;
https://dict.25820.com/%E5%AB%8C%E7%96%91%E4%BA%BAX%E7%9A%84%E7%8C%AE%E8%BA%AB
全身照射
https://dict.25820.com/whole%20body%20X-irradiation
超高速X放射自显影术
https://dict.25820.com/ultra-high%20speed%20x-autoradiography
线断层扫描器
https://dict.25820.com/tomographic%20scanner%20X
热力型氮氧化物
https://dict.25820.com/thermal%20NO%20x
操作系统；软件；苹果；苹果系统
https://dict.25820.com/Mac%20OS%20X
射线剂量
https://dict.25820.com/roentgen%20dose%20X
形圈,方形密封环(断面稍成X状)
https://dict.25820.com/quad%20ring%20X
X.509 公钥构架
https://dict.25820.com/public%20key%20infrastructure%20x.509
马铃薯X病毒
https://dict.25820.com/potato%20virus%20X
形点焊钳
https://dict.25820.com/pliers%20spot%20welding%20head%20X
低氧化氮燃烧
https://dict.25820.com/low%20NO%20x%20combustion
低氮燃烧器
https://dict.25820.com/low%20NO%20x%20burner
形[桥型]网络
https://dict.25820.com/lattice%20network%20X
迟复制X染色体
https://dict.25820.com/late%20replicating%20X%20chromosome
海胺
https://dict.25820.com/hyamine%2010-X
Xα多重散射波自洽场法
https://dict.25820.com/self-consistent%20field%20scattered%20wave%20X%CE%B1%20method
