求翻译：它不但与生态系统中生物群体结构有关，而且还应与气候、土壤和其它环境条件有关，因而只有在设定的生态环境标准下，生态需水量才具有明确的意义。是什么意思？

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It not only with the ecosystems in which biological groups related to the structure, but should also be related to climate, soil and other environmental conditions, and therefore it is only the set of ecological requirements for eco-environmental standards under water, it has a clear meaning.

Not only it with ecosystem in biological community structure related, moreover also should with the climate, the soil and other environmental condition related, thus only then under the hypothesis ecological environment standard, the ecology water demand only then has the explicit significance.

It not only the biological population structure and ecosystem-related, but also the climate, soil and other environmental conditions, and only in the setting of eco-environment standards, ecological water requirement is of clear significance.

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