The paper introduces examination methods of ground datum points .

介绍了平面基准点的检验方法。

Read correspondent datum from display screen .

直接从显示屏读取相关数据。

I didn 't have enough datum at hand .

目前我的手头没有足够的资料。

Connection measurement of gravity datum points at zhongshan station , antarctica .

南极中山站重力基点联测。

The patient 's own picture of what they suffer from is usually the least reliable datum for a diagnosis .

病人对自己病情的描述往往是最不可靠的诊断依据。