理论计算机科学 可计算性与计算复杂性 释文 complete problem 完全问题
- crop ecological adaptability
- crop evapotranspiration experiment
- crop farming
- crop gene discovery
- crop germplasm resources ex situ conservation
- crop germplasm resourceson-farm conservation
- crop germplasm sensitivity to environmental factors
- crop growth condition monitoring by remote sensing
- crop growth model
- crop growth monitoring
- crop growth simulation model
- crop harvest
- crop insect pests monitoring
- crop introduction
- cropland irrigation date forecast
- cropland prataculture
- crop nursery
- crop pests
- crop pests in China
- crop phenomics information
- cropping
- cropping of forging billet
- cropping restrictio
- cropping system
- cropping system and soil management