The system of protected natural areas is an important means of management to protect biodiversity.

自然保护地体系是保护生物多样性的重要管理手段。

As China reforms its system for ecological progress, the government has issued a directive to establish a system of protected natural areas.

随着生态文明体制改革的深入推进，中国政府提出建立自然保护地体系。