Real variables are variables measured in physical units.

真实变量：按实物单位衡量的变量。

youdao

Real variables are variables measured in physical units.

实际变量是以物质单位衡量的变量。

youdao

Are those stuff described as physical units all objective existence?

物理单位表述的东西是客观存在吗？

youdao

Cross-linked is not the right word-- that is chemically bonded with repeat units to make large molecules so that when you have a bunch of large molecules together they have certain physical properties like the solid property of the plastic that you're sitting on.

交联这个词不确切,应该是由化学键连接的,重复单位构成大分子,当许多分子聚合在一起后,它们就会具有某种物理特性,就像你们正坐着的,塑料一样,具有固体特性

耶鲁公开课 - 生物医学工程探索课程节选

The idea is to relate economic activity, measured in cash terms, to environmental magnitudes measured in physical units.

ECONOMIST: An invaluable environment

"As this new rule is implemented, it is critical that we maintain the same high standards that have made the American military the most feared and admired fighting force in the world -- particularly the rigorous physical standards for our elite special forces units, " McCain said in a statement.

CNN: Pentagon to open combat jobs to women

The Army and Marine Corps, especially, will be examining physical standards and gender-neutral accommodations within combat units.

CNN: Pentagon to open combat jobs to women