Ultrasonic technology has been widely used in engineering surveys.
声波技术已经被广泛应用于工程测量。
The connecting traverse is the most common form of control networks in engineering surveys.
附合导线是工程测量中最常见的布网形式。
Outliers problems may be present in sampling surveys. Outliers, called extreme high grade data in geological prospecting and mining engineering, usually correspond to very high grade mineralization.
特异值问题可能存在于许多抽样调查之中，特异值在地质勘探及采矿工程中称为特高品位，它一般对应于高品位的矿化作用。
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