通过黑藻和不同覆盖度水鳖的组合，研究了漂浮植物对沉水植物的影响。
The influence of the free floating macrophyte Hydrocharis dubia on the growth of the submerged macrophyte Hydrilla verticillata was studied by using different coverage of H.
结果表明：在正常生活状态下，中华鳖主要依靠空气呼吸摄氧；水呼吸仅占总呼吸摄氧量的2.68%左右。
The results showed that, the soft-shelled turtle depended mainly on aerial respiration, aquatic oxygen consumption was only 2.68% of total oxygen consumption.
结果表明：在正常生活状态下，中华鳖主要依靠空气呼吸摄氧；水呼吸仅占总呼吸摄氧量的2.68%左右。
The results showed that, the soft-shelled turtle depended mainly on aerial respiration, aquatic oxygen consumption was only 2.68% of total oxygen consumption.
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