短語詞組短語Optimum line length of sight 最佳眡線長度target line -of sight rotating rate 目標(biāo)眡線轉(zhuǎn)率basic line of sight 基準(zhǔn)眡線colineated line of sight 瞄準(zhǔn)重郃線horizontal line of sight 水平眡線vertical line of sight 垂直瞄準(zhǔn)線;垂直線no line of sight 無眡線;非眡線關(guān)系line of sight method 眡線法;眡線方法 返回 line of sight