vapo[u]r phase dye laser
汽相染料激光器

• original state
• origination
• O-ring
• oringinal aratwork
• OR-NOT
• ortating mirror framing camera
• orthicon
• orthicon camera system
• ortho-acid
• ortho-axis
• orthocentre
• orthochromatic
• orthochromatic film
• orthochromatic filter
• orthodiagraph
• orthogonal
• orthogonal function
• orthogonality
• orthogonalization
• orthogonal matrix
• orthogonal modes
• orthogonal projection
• orthograph
• orthographic
• orthographic projection