目前，我国多数企业对网络分析仪的校准工作仍以手工操作为主。

Calibration of network analyzer is conducted by hands in most domestic enterprises.

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尽管如此，大多数的庄稼活仍以手工工具完成，比如铁锹、锄头、长柄镰刀，手推犁或者动物推犁等等。

Still, most field work was done with hand tools like the spade, hoe, and scythe, or with hand- or animal-driven plows.

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