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单词
annulus
释义
annulus
The plane figure formed between two concentric circles of different radii,
R
and
r
. Its area is π(
R
2
-
r
2
)
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photosensitive substance
photosphere
phototransistor
photovoltaic effect
physical chemistry
physics
physisorption
pi
pi electron
pi-meson
pico-
pie chart
piezoelectric crystal
piezoelectric effect
piezoelectric oscillator
pig iron
pinch effect
pion
PIR detector
Pirani gauge
pitch
Pitot tube
pixel
Planck constant
Planck length
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更新时间:2025/6/23 2:21:13