| 单词 | sounding |
| 释义 | sounding [`sau̇nd·iŋ] ENGINEERING 1. Determining the depth of a body of water by an echo sounder or sounding line. 2. Measuring the depth of bedrock by driving a steel rod into the soil. 3. Any penetration of the natural environment for scientific observation. METEOROLOGY See <<upper-air observation>> MINING ENGINEERING 1. Knocking on a mine roof to see whether it is sound or safe to work under. 2. Subsurface investigation by observing the penetration resistance of the subsurface material without drilling holes, by driving a rod into the ground or by using a penetrometer. |
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