| 1. | A variety of different symbols is in use .
符号的用法不统一。 |
| 2. | A concept may be represented by many symbols .
许多个符号可以代表一个概念。 |
| 3. | K is the symbol used for the kelvin units of temperature .
K为开氏温度单位符号。 |
| 4. | It is conventional male symbol .
那通常是雄性记号。 |
| 5. | Drainage symbols are in blue .
水系符号是蓝色的。 |
| 6. | White is the symbol of purity .
白是纯洁的象征。 |
| 7. | The private car was still a cherished status symbol .
私人小汽车仍然是一种地位高贵的标志。 |
| 8. | Thinking is mainly performed with words and other symbols .
思想主要是用言语和其他符号来表达的。 |
| 9. | The language of mathematics is a language of signs and symbols .
数学的语言就是由记号和符号组成的语言。 |
