| 单词 | J-shaped |
| 释义 | J-shaped, a.|ˈdʒeɪʃeɪpt|
Having the shape of the letter J; used esp. of a graph or of a variable expressed by it. Also J-curve, a J-shaped curve.
1911G. U. Yule Introd. Theory Statistics ii. vi. 98 The extremely asymmetrical, or ‘J-shaped’, distribution, the class-frequencies running up to a maximum at one end of the range. 1916Phil. Trans. R. Soc. A. CCXVI. 432 The area of J-curves. 1927H. L. Rietz Math. Statistics iii. 57 Type III would be J-shaped if γα were negative. 1939Amer. Jrnl. Sociol. XLIV. 975 He [sc. Professor Allport] advances the ‘J-curve hypothesis of conforming behavior’. 1950S. A. Stouffer Measurement & Prediction i. 41 In general, as predicted, a J-shaped or U-shaped curve was obtained with attitude data. 1968P. McKellar Experience & Behaviour xi. 304 If..the situation is changed by the introduction of a traffic light we have J-curve behaviour. 1973Times 7 May 16/4 The notion of the post-devaluation ‘J-curve’, according to which an initial deterioration in the balance of payments is followed by a more-than-offsetting improvement as the volume of exports responds over time to the gain in price competitiveness. |
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