And that means: Contemporary art became today a mass cultural practice.
这意味着：当代艺术在今天成为了一种大众文化实践。
It is formed by the power of examples, mass psychological environment and personal practice.
它通过榜样的力量、群体心理环境和躬身实践形成；
How do we really determine mass in practice?
实际中我们是怎样测量质量的呢？
Fluid Mechanics, Heat Transfer, and Mass Transfer: Chemical Engineering Practice.
流体力学，传热，传质：化学工程实践。
Fluid Mechanics, Heat Transfer, and Mass Transfer: Chemical Engineering Practice.
流体力学，传热，传质：化学工程实践。
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