1. Agroecosystems are complex systems that involve the interactions between crops, livestock, soil, water, and the surrounding environment.
农业生态系统是一个复杂的系统，涉及到农作物、畜牧、土壤、水和周围环境之间的相互作用。

2. Agroecosystem management aims to integrate ecological principles into agricultural practices to enhance sustainability and productivity.
农业生态系统管理旨在将生态学原理融入农业实践中，以增强可持续性和生产力。