| 单词 |
intermittency |
| 释义 |
intermittency|-ˈmɪtənsɪ| [f. next: see -ency.] 1. The quality or condition of being intermittent; intermission.
1662J. Chandler Van Helmont's Oriat. 329 Every Being in Nature operates..without cessation, rest, intermittency, and trouble. 1821Examiner 50/1 The intermittency which is occasionally attendant upon slow fever. 1892Illustr. Lond. News 21 May 630/3 The rain kept up with cheerful intermittency. 2. Special Comb.: intermittency effect Photogr., the difference in the density of an emulsion when it is exposed intermittently from that resulting from a continuous exposure (the total light received being the same in both cases).
1907Sheppard & Mees Investigations Theory Photogr. Process ii. vi. 223 The intermittency effects are all in good agreement with this view, since the reverse reaction would have the greater effect, (a) the longer the pause, and (b) the more numerous the pauses, a pause being the period of no illumination. 1958H. Baines Sci. of Photogr. xiv. 172 Another phenomenon now known to be closely connected with reciprocity failure is the intermittency effect. |

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