| 单词 | plus-minus sign |
| 释义 | > as lemmasplus-minus sign plus-minus sign n. the mathematical symbol ‘±’. ΚΠ 1933 Index to Math. Gaz. 97 Nichols W. L. Literary Anecdotes..(Plus-minus sign). 1939 R. B. McKerrow Prolegomena for Oxf. Shakespeare iii. 80 (note) For the plus-minus sign see p. 81. 1992 M. A. Rothman Science Gap 45 The range of error is represented numerically by a plus-minus sign, for example: 75.2 cm ± 0.5 cm. < as lemmas |
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