单词 | discontinuity |
释义 | discontinuity [dis´känt·ǝn`ü·ǝd·ē] ELECTROMAGNETISM An abrupt change in the shape of a waveguide. Also known as waveguide discontinuity. GEOLOGY 1. An interruption in sedimentation. 2. A surface that separates unrelated groups of rocks. GEOPHYSICS A boundary at which the velocity of seismic waves changes abruptly. MATHEMATICS A point at which a function is not continuous. METALLURGY The place where the structural nature of a weldment is interfered with because of the materials involved or where the mechanical, physical, or metallurgical aspects are not homogeneous. PHYSICS A break in the continuity of a medium or material at which a reflection of wave energy can occur. |
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