标准镜头
()密码体制的加密密钥和解密密钥相同。 ["序列","分组","对称","公开"]
Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.()
除压实度外,路基工程的其他实测项目一般均可在路基完成后在其顶面进行检查评定。
A3修时空重车阀须()检修。 ["局部分解","对关键部位分解","全部分解","换件"]
分析乐曲《春节序曲》。