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primary sampling unit
释义
primary sampling unit
Statistics
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cluster sampling
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pilot fish
pilot-operated safety relief valve
pilot plant
pilot study
pilot survey
Piltdown Man
Piltdown man
pilus
pi-meson
pimpernel
PIN
pin
pinacoid
pinacol rearrangement
pinch analysis
pinch-and-swell
pinch effect
pinch point
Pinckney, Charles Cotesworth (1746–1825)
Pincus, Gregory Goodwin
pincushion distortion
Pindaris
PIN diode
pineal eye
pineal gland
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