数据单元

• Sdu service data unit
  服务数据单元
• Service data unit sdu
  业务数据单元
• Protocol data unit
  协议数据单元
• Protocol data unit
  协议数据单元
• Service data unit
  业务数据单元
• Standard practice for minimum set of data elements to identify a soil sampling site
  标识土壤抽样基地用数据单元最低设置的标准实施规程
• The next step in the replication process is to identify which data units have been changed
  复制过程中的下一步是找出哪些数据单元已经更改。
• Signal to noise ratio ( snr ) : the ratio of the signal to the random noise in a set of data
  信噪比：平均到一个数据单元的信号与随机噪声的比值。
• The block size is the basic unit of data that can be encrypted or decrypted in one operation
  块大小是在一个操作中可加密或解密的基本数据单元。
• An adjacent system reachable by traversal of a single subnetwork by a protocol data unit ( pdu
  通过单个子网络运输，协议数据单元可到达的相邻系统。