外推法

wài tuī fǎ extrapolation (math.); to extrapolate

求

qiú to seek; to look for; to request; to demand; to beseech

击

jī to hit; to strike; to break; Taiwan pr. [ji2]

穿

chuān to wear; to put on; to dress; to bore through; to pierce; to perforate; to penetrate; to pass through; to thread

电压

diàn yā voltage

力

lì power; force; strength; ability; strenuously

Lì surname Li

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