本文研究了一个半线性椭圆型方程正整体解的存在性问题。

In this paper we study the existence of positive global solutions for a semilinear elliptic equation.

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本文讨论了一类满足初值条件的非线性椭圆型方程组正整体解的存在性。

In this paper, we prove existence of positive entire solutions of a class quasi linear elliptic systems.

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我们看到不仅在中国食品和肉类产品价格大幅上涨，在全球范围内，农业方面也正整体经历着一次意义非凡的复兴。

Not only in China we have seen soaring food and meat prices. The agricultural sector as a whole is experiencing a remarkable Renaissance around the globe.

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