realadj.真实的；真的；正宗的；真正的；名副其实的；实际的；现实的；不动产的adv.非常n.真实；雷阿尔（昔日西班牙等地的货币）real loss实际损失

1. Methods of exploring the real number roots of a real coefficient polynomial function are procedurally given.
   摘要较程序化地给出了实系数多项式函数实数根的求法。
2. In earlier designs, when the filterbank has real coefficients, the alias-free property is usually destroyed after subband filters are inserted.
   在早期的设计当中，实系数的馀弦调变滤波器组，其无频叠失真的特性通常会因为加入了次频带滤波器而遭到破坏。