网络与数据通信 有线网络 释文 start of header character, SOH character 头起始字符
- periodization of annual training
- Periodization of History
- periodization of multi-year training
- period lattice
- period length
- Period life table
- period-luminosity-color relation
- period-luminosity curve
- period-luminosity relation
- period mapping
- period-mass relation
- period matrix
- period-mean density relation
- period module
- period-n-tupling bifurcation
- period of a circulating decimal
- period of a class
- period of a continued fraction
- period of a decimal fraction
- period of a differential
- period of a function
- period of a group
- period of alternating current
- period of an element
- period of an ergodic class