According to law, the release of the biological control agents must be authorized by the secretary of state for the environment.
根据法律规定，发放生物控制剂必须得到环境国务秘书的批准。
The biological immune system is one kind of control systems, which has very strong robustness and self-adapted ability in the complex disturbance and uncertain environment.
生物免疫系统是一种在复杂干扰和不确定性的环境中具有很强的鲁棒性和自适应性的控制系统。
The paper expounds the organism and methods of the amendment of aquatic ecosystem with biological control technique based on the deterioration of the Dalangdian Reservoir water environment.
针对大浪淀水库水环境恶化问题，阐述了生物调控技术修复水生生态系统的机理和方法。
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