计算机体系结构 处理系统 释文 user CPU time 用户中央处理器时间
- polytropic exponent
- polytropic gas
- polytropic gas sphere
- polytropic index
- polytropic model
- polytropic process
- polytropy
- polytype
- polytypic aggregation
- polytypic genus
- polytypic species
- polytypism
- polyundecaneamid
- polyundecaneamid; poly (11-aminoundecanoic acid)
- polyunsaturated fatty acid
- polyurea
- polyurethane
- polyurethane adhesive
- polyurethane as biomedical material
- polyurethane coating
- polyurethane coating agent
- polyurethane elastic fiber
- polyurethane elastomer
- polyurethane fiber
- polyurethane propellant