直径比 meaning in Chinese
diameter ratio
Examples
- The diameter of mars is slightly over half that of the earth .
火星的直径比地球的半径稍大些。 - Standard test method for determining the l d ratio of neutron radiography beams
中子射线照相束长度直径比测定的标准试验方法 - [ 4 ] the trim exponents vary with the fluid viscosity and impeller diameter ratio at same time
( 4 )切割指数同时随着切割后的直径比和液体粘度变化而变化。 - The diameter of the star betelgeuse is more than a quarter the size of our entire solar system
猎户座中的一等星的直径比我们整个太阳系直径的四分之一还要大。 - They are hoop - shaped drums with a diameter that is much greater than the depth of their shell
简单来说只要鼓面的直径比鼓框的深度大或两者相等，均可称为框架鼓。