光学、声学 光学 penumbra 半影 penumbra 半影†
penumbra 半 阴 影
penumbra 半影
计算机应用 计算机辅助设计与图形学 释文 penumbra 半影区
- Ioannina
- Ioannity
- IOBC
- I. O. Bendixson
- I. O. Bendixson (1861—1935)
- IOCAS
- Iocaste
- IOCG
- IOC Olympic Prize for Sports Sciences
- IOD
- iodation
- iodic acid
- iodide
- iodide decomposition process
- iodimetric method
- iodimetric titration
- iodimetry
- iodine
- iodine 123
- iodine-123
- iodine-124
- iodine 125
- iodine-125
- iodine-125 seeds
- iodine-129 isotope hydrogeology