improved seeds的用法和样例：
例句
- The combination of improved seeds, more fertilizer, and improved irrigation doubled yields on irrigated land in developing countries.
由于改良种子，增加化肥和改进灌溉系统的共同作用，发展中国家得到灌溉的农田产量增加了一倍。
improved seeds的相关资料：
临近单词
Improved MS
improve
Improved Computer Sighting System
improved Prim heuristic algorithm
improve the people' s livelihoods
improved hidden Markov tree model
Improved particle swarm algorithm
Improved Copy Smooth Skin Weights
improved position locator circuit
improved composite element method
Improved Conventional Mine System
Improved Remote-Area Armor Mine
