| 单词 | null method |
| 释义 | > as lemmasnull method null method n. a scientific method, esp. in electrical measurement, based on the detection of the point at which an effect is zero, or at which two effects cancel each other out; cf. null adj. 2a. ΘΚΠ the world > matter > physics > [noun] > specific concepts or principles of > specific method of observing phenomena null method1873 1873 J. C. Maxwell Treat. Electr. & Magnetism I. i. xiii. 263 Methods of this kind, in which the thing to be observed is the non-existence of some phenomenon, are called null or zero methods. 1946 V. N. Wood Metall. Materials iv. 110 Periodic adjustment of the current..can be avoided by the use of the..‘null’ method whereby the bridge is balanced and the indicator brought to zero by a variable resistance on the same side of the bridge as the bulb. 1971 J. Z. Young Introd. Study Man xvi. 201 This ingeniously establishes the change in growth power by a nul method. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。