网络与数据通信 协议体系与组成结构 释文 service element 服务元素
- positive hull
- positive image
- positive index of inertia
- positive infinity
- positive integer
- positive integral kernel
- positive interaction between nutrients
- positive ion
- positive ion, cation
- positive ion mode
- positive kernel
- positive kurtosis
- positive leap second
- positive lens
- Positive likelihood ratio
- positive limit point
- positive limit set
- positive linear functional
- positive linear operator
- positive link
- positive literal
- positive logic
- positive logical calculus
- positive logical formula
- positive lossless storage