Habash al-H
sib 海拜什哈西卜（约卒于864—874）
- trivial topological space
- trivial topology
- trivial ultrafilter
- trivial valuation
- trivial value
- trivial variety
- trivial vector bundle
- trivial zero
- trivial zero-divisor
- trivium
- tri-【前缀】
- trochoid
- trochoidal curve
- trochoidal rosette
- Tromba, A.J.
- tromino
- Tropfke, J.
- Trost, E.W.
- Trotter, H.F.
- Trotter product formula
- trouble
- trough
- trough of a time series
- trough of rotation
- Troughton, E.