| 1. | We live in two different physical worlds .
我们是生活在两个不同的物质世界里。 |
| 2. | That inertial systems exist is a statement about the physical world .
惯性系的存在则是关于物质世界的陈述。 |
| 3. | The greeks identified mathematics with the reality of the physical world .
希腊人把数学等同于物理世界的实质。 |
| 4. | Changes that take place in the physical world are invariably the result of forces .
发生在物质世界的所有变化无一不是力的结果。 |
| 5. | The physical world was and still is indifferent to the mathematicians' classification .
物理界过去和现在都是从不关心数学家们的分类的。 |
| 6. | We must be careful not to confuse such truths with exact statements about the physical world .
我们必须注意，不要把这种真实性与关于物理世界的确切表达相混淆。 |
| 7. | In the physical world there exist a number of conservation laws, some exact and some approximate .
物理世界中存在着一些守恒定律，其中有些是严格的，有些是近似的。 |
| 8. | Man's understanding of the physical world has changed in a most profound manner since the beginning of this century .
自从本世纪初以来，人类对物理世界的认识发生了极其深远的变化。 |
| 9. | With the influx of greek works, study of the physical world and the pleasures of nature became marked .
随着希腊著作的传入，要求作合理化解释的趋势，对物理世界的研究，对自然的乐趣变得明显起来。 |
| 10. | Another reason for the loss of interest in the non-enclidean geometries was their seeming lack of relevance to the physical world .
对非Enclid几何失去兴趣的另外一个原因是它们似乎缺乏与物质世界的关联。 |
