In his 1954 book "the Practice of management", he argued that management was one of the major social innovations of the 20th century, primarily a human activity, not a mechanical or an economic one.

他在1954年出版的《管理实践》中强调，管理学是20世纪重大社会发明之一，其本质为人类活动，而非机械运动或经济运行。

Practice results indicated that the content of formaldehyde in resin binder can be controlled less than1.8%and the mechanical properties completely satisfied the requirement of production.

生产应用结果表明，该树脂粘结剂中甲醛含量可控制在1.8%以下，力学性能完全可以满足生产要求。

The practice, the method, the system in our daily life make for a matter of routine, a repetitive action and so a mechanical mind.

我们日常生活中的训练、方法、体系造成了一种习惯模式，一种重复活动，因而造成了一颗机械的心。

Through this practice I got familiar with some processes of mechanical manufacture, learned metal processing techniques and how to use different tools.

通过金工实习使学生熟悉机械制造的一些过程，掌握金属加工的主要工艺和过程，熟悉各种工具的使用方法。

No future is a mechanical repetition of the past, new knowledge come only from new practice.

未来不是过去的机械重复，人的认识宜根据新的实践，产生新的认识。