...农业生态系统；气候变化；脆弱性 [gap=1626]Key words:agricultural comprehensive development project area in Hebei Province;agricultural ecosystems;climate change;vulnerability ..
双语例句
1
The world food imbalance is a problem of agriculturalecosystems and their management.
世界粮食生产的不平衡是农业生态系统及其管理部门的一个问题。
2
Fig. 1 number of invasive species in agriculturalecosystems in Chinese provincial districts (a) and relationships between species Numbers of plant invaders and animal and microbe invaders (b).