网络与数据通信 网络互联 释文 internet control message protocol, ICMP 互联网控制报文协议
- 500 years old podocarpus nagi in Wencheng
- 500米口径球面射电望远镜
- 50% condensation temperature
- 50th Year Motion Pictures, Inc.
- 50%凝聚温度
- 5.1-channels surround sound
- 51号兵站
- 5.1声道环绕声
- 53 Art Museum of Guangzhou
- 5,6-dihydro-cholesterol
- 5,6-二氢胆固醇
- 5,7,3′,4'-四羟基黄烷-3-醇
- 5,7,8-trimethyltocol
- 5,7,8-三甲基母育酚
- 57 university
- 59 test
- 59检验
- 5 alpha-reductase
- 5-amino-2,3-dihydro-1,4-phthalazinedione
- 5-amino-2-chloro-4-methyl benzenesulfonic acid
- 5'-cap
- 5'cap
- 5-cell
- 5 Chuanqi Plays of Xia Lun
- 5-color photometry