The investigators set the environmental conditions: these include the oxygen and nutrient concentrations and the landscape of connective tissue that surrounds the cells.

调查人员设定了环境条件：包括氧和营养浓度，以及包绕细胞的结缔组织构造。

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Capable of functioning under varying environmental conditions. Used of certain organisms, such as bacteria that can live with or without oxygen.

兼性寄生的能在不同环境条件下活动的。用于某些生物，如细菌在有氧或无氧条件下都能生存。

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Based on experiments on ecologic environmental factors in the water body in fishpond, the variation pattern of oxygen solubility in fishpond was analysed.

根据对鱼塘养鱼水体生态环境因子的现场实验，分析了鱼塘溶氧浓度的变化规律。

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The lack of progress has led a number of Baltic countries to consider technological interventions, or so-called "geoengineering" ideas (large-scale solutions to environmental problems), such as pumping oxygen into the water, and using chemicals to bind pollutants in sediments, in a bid to save the Baltic.

CNN: Can oxygen pump breathe life into ocean 'dead zone?'