But the practices showed that there were many obvious technical problems, such as the measured value too lower, the error increased with the depth of sampling and others.

但实践证明，仍存在着许多明显的技术缺陷，如测值偏低，误差随取样深度增大而增加等。

youdao

But the practices showed that there were many obvious technical problems, such as the measured value too lower, the error increased with the depth of sampling and others.

但实践证明，仍存在着许多明显的技术缺陷，如测值偏低，误差随取样深度增大而增加等。

youdao