When a survey is finished, the instrument can duma the stored data into a portable persona computer by a build-in RS-232 standard interface.
当观测结束，仪器可通过RS - 232接口把存贮的数据倒给便携式个人计算机。
When a survey is finished, the instrument can duma the stored data into a portable persona computer by a build-in RS-232 standard interface.
当观测结束，仪器可通过RS - 232接口把存贮的数据倒给便携式个人计算机。
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