| 1. | A number x is called an almost upper bound of a .
数X称为A的殆上界。 |
| 2. | An almost lower bound is defined similarly as an almost upper bound .
殆下界的定义与殆上界是类似的。 |
| 3. | Learning without thought means labour lost; thought without learning is perilous .
学而不思则罔，思而不学则殆。 |
| 4. | For the limited to pursue the unlimited is futile .
以有涯随无涯，殆已！ |
| 5. | A number x is called an almost upper bound of a
数x称为a的殆上界。 |
| 6. | Learning without thought means labor lost ; thought without learning is perilous
思而不学则殆 |
| 7. | But it is not the only part
但是，视之为惟一方式，岂不殆哉？ |
| 8. | Learning without thought is labor lost , thought without learning is perilous
学而不思则惘，思而不学则殆。 |
| 9. | Almost multiplicative functional
殆积性泛函 |
| 10. | Almost parallelizable manifold
殆可平行流形 |
