理论计算机科学 可计算性与计算复杂性 释文 NP-hard problem NP困难问题
- ker
- keracele
- Kerala
- Kerala Backwater
- keramic
- Keramion Ceramic Art Foundation in Germany
- kerasin
- keratan sulfate
- keratin
- keratinization
- keratinocyte
- keratinocyte growth factor
- keratitis
- keratocan
- keratocyte
- keratoderma
- keratoderma climactericum
- keratoid cusp
- keratomalacia
- keratophyre
- keratoprosthesis
- keratosis follicularis
- keratosis of pharynx
- keratosis of the larynx
- keratosis palmaris et plantaris