At present, for the volume of flowing back, the metering method made by man has many measuring errors and its technique has been lag behind.
目前，对试油排液量进行计量通常采用的是人工计量的方法。这种方法计量误差大，技术手段落后。
The output signal of the invention can real-time respond the in situ soil salinity dynamic changes, no lag time, no measuring cumulative error;
本发明的 输出信号对原位土壤盐分动态变化实时响应，无时间滞后，无测量累积误差；
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