| 单词 | scale of |
| 释义 | > as lemmasscale of (two, etc.) c. scale of (two, etc.): a scale of arithmetical notation having as radix the number given, used attributively and absol. to designate a form of scaler (see scaler n.3 4) in which an output pulse is produced when a number of input pulses equal to the specified radix has been received. ΘΚΠ the world > relative properties > number > mathematical notation or symbol > [noun] > scale > types of algorism?c1225 binary scale1796 scale of (two, etc.)1871 tetrad1883 the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > electronic instruments > [noun] > scaler or pulse counter scale of (two, etc.)1932 scaler1945 pulse counter1963 the world > matter > physics > atomic nucleus > measurement of ionizing radiation > [noun] > scale of scale of (two, etc.)1963 1871 C. Davies Metric Syst. i. 18 The scale of tens was adopted. 1932 C. E. Wynn-Williams in Proc. Royal Soc. A. 136 318 As the recording..values of the ‘dial’ units are, respectively, 20 or 1, 21 or 2, and 22 or 4, and since the meter indicates the total number of groups of 23 or 8, the counting is carried out according to a ‘scale of two’, the three thyratron dials recording ‘units’, ‘twos’ and ‘fours’ and the meter ‘eights’, instead of units, tens, hundreds, and thousands. 1933 C. E. Wynn-Williams in Proc. Royal Soc. A. 139 621 The impulses are then applied to a ‘scale of two’ thyratron counting circuit. 1948 Nucleonics Nov. 49/1 Scale-of-N circuits are important tools for counting radiations in nuclear physics, as well as for various other applications. 1950 Progr. Nuclear Physics I. 109 A scale of five can be made by the use of a form of ring circuit with five valves with their cathodes connected together. 1963 B. Fozard Instrumentation Nucl. Reactors viii. 75 A cascade arrangement of six scales-of-two gives an over-all scale factor of 26 or 64. < as lemmas |
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