求翻译：高效藻类塘不仅氮磷处理效率相对高于普通稳定塘，且投资省，维护管理简单，适合经济相对落后、缺乏环保专业人员的农村。是什么意思？

Pond algae efficiently handle not only the relative efficiency of nitrogen and phosphorus than ordinary stabilization ponds, and the investment, maintenance and management is simple, for the economy is relatively backward, the lack of environmental professionals in rural areas.

nitrogen, phosphorus and efficient algae Tong not only dealt with relatively higher than ordinary stable Tong, efficiency and investment management, and maintenance simple and suitable for relative economic backwardness, lack of environmental professionals in rural areas.

Not only the highly effective algae pond the nitrogen phosphorus processing efficiency is higher than the ordinary stable pond relatively, also the investment province, maintains the management to be simple, suits the economical relative backwardness, the deficient environmental protection specialis

Nitrogen and phosphorus processing efficiency relative high rate algal pond not only higher than ordinary stabilization pond, and low investment, maintenance and management simple, suitable for relative economic backwardness, lack of rural environmental protection professionals.

Nitrogen and phosphorus processing efficiency relative high rate algal pond not only higher than ordinary stabilization pond, and low investment, maintenance and management simple, suitable for relative economic backwardness, lack of rural environmental protection professionals.