理论计算机科学 可计算性与计算复杂性 释文 clock machine 计时器
- steam turbine shaft seal
- steam turbine sliding key system
- steam turbine speed governor
- steam turbine stage
- steam turbine thermal power system
- steam turbine water impact
- steam turbine wheel
- steam turbogenerator failure
- steam-water separation，vapor-liquid separation
- steam-water separator
- Steange Phenomena Witnessed within Twenty Years
- stearic acid
- stearin
- stearin; tristearin
- stearyl alcohol
- steatite
- steatocystoma multiplex
- Stebbins crater
- Stebbins-Whitford photometry
- Stebbins-Whitford system
- STEC
- Stechcol
- steckel-mill
- S tectonite
- STED