mass density
常见例句
- "The traffic density in a big city is like the mass density in a lens galaxy, " Marshall said.
大城市的交通密度就像透镜星系的物质密度。 - Based on the measured data from the winter wheat fields in Zhengzhou of Henan Province, the vertical distribution of root length density(RLD)and root mass density(RMD)were analyzed.
根据在郑州进行的冬小麦根系田间实测资料，研究了根长密度和根质量密度在砂壤土中的垂直分布。 - According to the law of mass conservation the incremental mass density can be inferred from the divergency of the scalar unperturbed mass density and the vectorial displacement field.
由质量守恒定律，质量密度增量来自未挠动的质量密度的散度和位移矢量场。 - Ah, but density is mass over volume.
但密度是质量除以体积
耶鲁公开课 - 基础物理课程节选 - Like every college town, Austin likes smart growth, mass transit and high density.
FORBES: Austin's Secrets For Economic Success - He studies the material properties of tissue and organs from animals and cadavers to assign shape, size, density, mass and ten or more coefficients that describe how each cube of virtual flesh will deform when confronted with a given force from a given direction.
FORBES: Smart Dummies - The American city of the future is going to look a little bit more like the American city of the past, more closely centered on a high density downtown with mass transit increasingly used to get workers in and out.
FORBES: Why Oil Prices Rose in the Spring of 2008 and Will Rise Again 返回 mass density