He said that the Internet is difficult loss calculation.
他说，网民损失难计算。
It includes the principle of loss definition and loss calculation methods.
其中包括损失的界定原则和损失计算方法两个问题。
The calculation formula of distribution network loss is derived.
最后推导出配电网损耗计算公式。
The calculation of cable loss.
光缆损耗计算；
The calculation of cable loss.
光缆损耗计算；
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