Use the dissolved oxygen meter to measure dissolved oxygen in the water.
以溶氧量计测量水中的溶解氧量。
Portable hand-held dissolved oxygen meter designed to provide measurements for the most critical water quality parameter.
便携式手持溶解氧仪设计提供了最重要的水质参数的测量。
Carefully fill two sampling bottles completely with stream water. Use the dissolved oxygen meter to measure dissolved oxygen in the water.
小心地把两个取样瓶以溪水完全装满。以溶氧量计测量水中的溶解氧量。
The structure of the membrane electrode for the dissolved oxygen meter has been studied and improved to obtain more rapid response and suppress the residual current.
本文研究和改进了溶解氧测定仪膜电极的结构，提高了测定的响应速度，减小了残余电流。
Finally it testified the parameter optimization's correctness, using the contrast experiment. Consequently the concentration measured by the dissolved oxygen meter was much more precise.
最后用对比实验证明参数优选的正确性，从而使溶解氧测定仪测出的浓度更加准确。
Finally it testified the parameter optimization's correctness, using the contrast experiment. Consequently the concentration measured by the dissolved oxygen meter was much more precise.
最后用对比实验证明参数优选的正确性，从而使溶解氧测定仪测出的浓度更加准确。
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