“stratified sampling”的概念、定义、翻译、参考文献-科学参考

单词	stratified sampling
释义	stratified sampling [`strad·ǝ´fīd `sam·pliŋ] ^STATISTICS A random sample of specified size is drawn from each stratum of a population.
随便看	stereophonic sound system stereo pickup stereoplanigraph stereo preamplifier stereopsis stereo rangefinder stereo record stereo recorded tape stereoregular polymer stereorubber stereoscope stereoscopic camera stereoscopic heightfinder stereoscopic microscope stereoscopic model stereoscopic pair stereoscopic parallax stereoscopic photography stereoscopic power stereoscopic radius stereoscopic rangefinder stereoscopic system stereoscopic vision stereoscopy stereoselective reaction

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