Lagrange also asserted that the principle is true for a collection of particles and even for extended mass . 来格朗哥还断言，对于质点组而言这个原理也是正确的，甚至对广义质量也是对的。
2.
This generalized quality competition around satisfying the customer and creating value for the customer is impelling the society - economy and the science and technology innovation developing 这种围绕让顾客满意、为顾客创造价值而进行的广义质量竞争，正在推动社会经济和科技创新的高速发展。
