常用短語

is approximately equal to約等于號；約等于；約即是號；約便是號

approximately equal to約等于

Approximately Equal Mark約等于號

s approximately equal to約等于號

approximately equal pressure近似等壓

sign of approximately equal約等號

isiphone approximately equal to約等于號

approximately equal velocity ratio近似等速比

a is approximately equal to約等于號