關於leveling的百科

• trigonometric leveling造句怎麼寫

• trigonometriclevelingThetraditionalmethodsaregeometricallevelingandtrigonometricleveling.Theyhavedifferentadvantageanddisadvantage.Elevationdifferencebytrigonometriclevelingshallbecorrectedbysphericalaberration.Applyingthemeasuringprincipleofthetrigo...
• 2018-03-2826548