理学 国际空间数据处理大会 释 International Symposium on Spatial Data Handling; SDH 国际空间数据处理大会 国际地理联合会地理信息科学委员会发起的国际会议系列，是地理信息科学领域最早和最有代表性的国际会议之一。
网络与数据通信 协议体系与组成结构 释文 synchronous digital hierarchy, SDH 同步数字体系
- tubular field
- tubular furnace
- tubular gland
- tubular guide warp knitting machine
- tubular heater
- tubular inside micrometer
- tubular joint
- tubular joint classification
- tubular knot
- tubular linear motor
- tubular neighborhood
- tubular neighborhood system
- tubular neighborhood theorem
- tubular pyrolysis furnace
- tubular reabsorption
- tubular reactor
- tubular resistor
- tubular surface
- tubular waveguide
- tubular weave
- tubule
- tubulin
- tubuloglomerular feedback
- tubulointerstitial nephritis and uveitis syndrome，TINU syndrome
- Tuc