理论计算机科学 可计算性与计算复杂性 释文 true stages 真阶段
- poll/final bit, P/F bit
- pollination
- pollination cultivar
- pollination drop
- pollination syndrome
- polling
- polling list
- pollinium
- pollinizer
- pollinosis
- pollucite
- Pollutant Cconversion Technology
- pollutant characterization
- Pollutant Collection Facility
- Pollutant Diffusion Control Technology
- Pollutant Diffusion Technology
- Pollutant Discharge Calculation
- Pollutant Discharge Coefficient
- pollutant discharge coefficient in animal production
- pollutant discharge permit management system
- Pollutant emission factors
- pollutant emission factors
- pollutant form
- pollutant from chemical fertilizer
- pollutant from of irrigating water source