| 单词 | subsample |
| 释义 | ˈsubsample
[sub- 9 (b).]
A sample drawn from a sample.
1909Webster, Sub-sample, n. & v.t. 1913Econ. Geol. VIII. 134 Each sample has thus been divided into 10 subsamples which may be used to estimate roughly the probable error. 1939Brit. Jrnl. Psychol. XXX. 76 Burt chose his subsample of persons to be not only equal in average to one another, but equal to the average of all. 1959H. Barnes Oceanogr. & Marine Biol. i. 32 (caption) Stempel (Suction) pipette. Used for taking an aliquot from a plankton sample. The sub-sample is contained between the curved part of the plunger and the barrel of the pipette. 1972H. J. Eysenck Psychology is about People ii. 92 The actual mean scores for P, E and N in the general population, and in various sub-samples graded by sex, age and class are known.
Hence ˈsubsample v. trans., ˈsubsampling vbl. n.
1909Subsample vb. [see the n. above]. 1959H. Barnes Oceanogr. & Marine Biol. i. 32 If larger nets are employed then it [sc. the catch] may have to be sub-sampled and only a fraction counted... There are various ways of such sub-sampling. 1969R. Lange Chem. Oceanogr. v. 79 It is..useful to organize the numbers of the bottles for subsampling in such an order that [etc.]. 1971Nature 4 June 290/2 They were subsampled for metal analysis and placed 0·8 m above ground in three locations down⁓wind of Swansea. |
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