短語詞組短語is approximately equal to 約等於號;約等於;約即是號;約便是號s approximately equal to 約等於號approximately equal velocity ratio 近似等速比Approximately equal percentage 近似等百分比approximately equal to 約等於號;約等於approximately equal pressure 近似等壓isiphone approximately equal to 約等於號sign of approximately equal 約等號Approximately Equal Mark 約等於號 返回 approximately equal