短語詞組短語sighting g line method 瞄直法sighting line method [測]瞄直法;瞄直法inclination of sighting line 眡線傾斜height of sighting line 眡線高度stabilization of sighting line 瞄準(zhǔn)線穩(wěn)定zero sighting line 零位瞄準(zhǔn)線vertical displacement of sighting line 瞄準(zhǔn)線垂直偏離independent line of sighting [軍]獨立瞄準(zhǔn)線 返回 sighting line