symmetric key对称密钥
symmetricadj.对称的;匀称的
symmetric endomorphism对称自同态
symmetrica keratoderma掌跖角化病
symmetric homomorphism对称同态
symmetric entropy loss对称熵损失
symmetric subharmonics对称次调和解
symmetric oscillations对称振荡
symmetric construction对称结构
symmetric cryptosystem对称密码系统
symmetric stress cycle对称应力循环
symmetric neighborhood对称邻域