| 1. | Mathematical knowledge was certain .
数学知识是确定无疑的。 |
| 2. | Mathematical knowledge was certain and offered a secure foothold in a morass .
数学知识是确定无疑的，它给人们在沼泽地上提供了一个稳妥的立足点。 |
| 3. | Two forms of mathematical knowledge and mathematics teaching
数学知识的两种形态与数学教学 |
| 4. | We must pass traditional mathematical knowledge on to our heirs intact
我们一定要把传统的数学知识传递给我们的后代。 |
| 5. | In the last couple of decades there has been an explosion in new mathematical knowledge
最近二十年，新数学知识的爆炸有目共睹。 |
| 6. | We must pass traditional mathematical knowledge on to our heirs intact
我们一定要把传统的数学知识，完整无缺地传递给我们的后代。 |
| 7. | In the last couple of decades there has been an explosion in new mathematical knowledge
近二十年来，新的数学知识激增，是有目共睹的。 |
| 8. | In the last couple of decades there has been an explosion in new mathematical knowledge
近二十年来，对数学知识的获得的新认识激增是有目共睹的。 |
| 9. | Its properties are frequently used and discussed in the study of matrix and related mathematical knowledge
我们在研究矩阵及学习有关数学知识时，经常要讨论幂零矩阵的性质。 |
| 10. | The cultivation of the students ' ability of using mathematical knowledge is one of the main objects for a mathematics teacher in the process of teaching
摘要应用数学能力的培养是数学教育的重要理论和实际课题之一。 |
