| 单词 | positive sign |
| 释义 | > as lemmaspositive sign positive sign n. the mathematical symbol ‘+’; the plus sign (cf. also sign n. 2e). ΘΚΠ the world > relative properties > number > mathematical notation or symbol > [noun] > arithmetic or algebraic symbols > positive or negative quantities negative sign1668 positive sign1702 sign1702 1702 J. Harris New Short Treat. Algebra 50 If it have a positive Sign, the two Roots have like Signs, but if a Negative one, unlike. 1852 B. Peirce Elem. Treat. Plane & Spherical Trigonom. vi. 102 All those areas, which are preceded by the negative sign, are the same with those in the column of North Areas; while all those, which are connected with the positive sign, belong to the column of South Areas. 1978 Accounting Rev. 53 987/1 Analysis of the data was completed using the following null hypothesis (H1) and alternate hypothesis (H2). H1: For the universe, the sum of the positive-sign ranks is the same as the negative-sign ranks. Both groups did equally well. < as lemmas |
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