| 1. | 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。 |
| 2. | Historians have long been puzzled by dots , lines and symbols which have been engraved on walls , bones , and the ivory tusks of mammoths .
刻在墙壁、甲骨和长毛象的牙齿上的点、线和符号，长久以来使得史学家迷惑不解。 |
| 3. | Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths .
长期以来，历史学家们对刻划在墙壁上，骨头上和古代长毛象象牙上的点，线和符号感到迷惑不解。 |
| 4. | Paremeters and symbols of guidedmissile flight dynamics
导弹飞行动力学参数符号 |
| 5. | Aerodynamics - concepts , quantities and symbols - aircraft geometry
概念量和符号 |
| 6. | Wood fibreboards - definition , classification and symbols
木纤维板.定义分类和符号 |
| 7. | Terminology and symbols for cylindrical worm and wormwheel
圆柱蜗杆蜗轮术语及代号 |
| 8. | Essential technical terms and symbols for hydrologic instrument
水文仪器术语及符号 |
| 9. | Terminology and symbols for cylindrical worm and worm wheel
圆柱蜗杆蜗轮术语及代号 |
| 10. | Wood fibreboards - definition , classification and symbols
木纤维板.定义分类和符号 |
