| 单词 | notch acuity |
| 释义 | notch acuity [`näch ǝ`kyü·ǝd·ē] METALLURGY The severity of the stress concentration produced by a given notch in a structure; it is expressed as the ratio of the notch depth to the notch radius (depth is small compared to width, or diameter, of the narrowest cross section). |
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