单词 | advance |
释义 | advance [ǝd`vans] CIVIL ENGINEERING In railway engineering, a length of track that extends beyond the signal that controls it. GEOLOGY 1. A continuing movement of a shoreline toward the sea. 2. A net movement over a specified period of time of a shoreline toward the sea. HYDROLOGY The forward movement of a glacier. MECHANICAL ENGINEERING To effect the earlier occurrence of an event, for example, spark advance or injection advance. NAVIGATION 1. In making a turn, the distance a vessel moves in its initial direction from the point where the rudder is started over until the heading has changed 90°. 2. The distance a vessel moves in the initial direction for heading changes of less than 90°. |
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