网络与数据通信 协议体系与组成结构 释文 protocol data unit, PDU 协议数据单元
- Calamus Garden in Wuxi
- Cala, My Dog!
- Calandrelli
- calandria
- Calar Alto Observatory
- CalArts
- CALAS
- calbindin
- calbtun
- calc-alkaline series
- calcaneal bursitis
- calcaneal fracture
- calcareous
- calcareous glaze
- calcareous ooze
- calcareous sinter
- calcareous soil
- calcareous spar
- calcareous spar, calc-spar, calcite
- calcareous sponge
- Calceolarias flowers
- calcic horizon
- calcic soils in China
- calciferol
- calcification