倍: times角: role; part; character公式: formula; expression二倍角公式: double angle formula半角公式: half angle formulas; half-angle formulas; submultiple angle formula; trigonometric function复角公式: compound angle formula三角公式: trigonometric formula正切半角公式: tangent half-angle formula倍角: multiple angle倍角法: method of doubling the angle; multiple angle method三倍角: triple angle角公差: angular tolerance倍角复测法: doubling an angle倍角系数: multiplicity coefficient船首倍角法: double angle on the bow; double the angle on the bow; doubling the angle on the bow八角公园: bajiao park三角公园: triangular park公式: formula; expression 代数公式 an algebraic formula; 硬套公式 apply formula mechanically; 公式语言 formula language; 公式主义 formularism纽约三角公司: new york triangle corp研究三角公园城: research triangle park标伯斯佛州海角公园: bill baggs cape florida state recreation areabet公式: bet formula brunauer-emmett-teller's formula; brunauer-emmett-teller's formulasommesfeld公式: sommerfeld formula按公式: by formula闭公式: closed formula