| 1. | General requirements for components used in discharge pipes , drains and sewers for gravity systems
自流系统泄放排水和污水管部件一般要求 |
| 2. | General requirements for components used in discharge pipes , drains and sewers for gravity systems
排水管道的部件重力系统的排水管和下水管的一般要求 |
| 3. | No matter how savagely a spaceship is attacked , its internal gravity system is never damaged
不论太空船损害得多麽严重，舱内的重力系统绝对不会失灵。 |
| 4. | Fibre - cement pipes for sewers and drains - pipes , joints and fittings for gravity systems
下水管和排水道用纤维水泥管.第1部分:重力管路系统用管道管连接件和管配件 |
| 5. | En 588 - 1 fibre - cement pipes for sewers and drains . part 1 : pipes , joints and fittings for gravity systems
地下排水管道用纤维水泥管.第1部分:重力循环系统用管子接头和配件 |
| 6. | Fibre - cement pipes for sewers and drains - part 1 : pipes , joints and fittings for gravity systems ; german version en 588 - 1 : 1996
纤维水泥污水管.第1部分:重力系统用管连接件和配件 |
| 7. | Ships and marine technology - drainage systems on ships and marine structures - sanitary drainage , drain piping for gravity system
船舶和海上技术.船舶和海上结构物的排水系统.重力系统用卫生排水和排水管道 |
| 8. | Ships and marine technology - drainage systems on ships and marine structures - part 2 : sanitary drainage , drain piping for gravity system
船舶和海上技术.船舶和海上结构物的排水系统.第2部分:重力系统用卫生排水和排水管道 |
| 9. | Ships and marine technology - drainage systems on ships and marine structures - part 2 : sanitary drainage , drain piping for gravity systems iso 15749 - 2 : 2004 ; german version en iso 15749 - 2 : 2004
船舶和海上技术.船舶和海上建筑物的排水系统.第2部分 |
| 10. | Recent activities for the airborne scalar gravimetry are summarized in this paper , they includes five aspects , viz . improvement of traditional airborne scalar gravity systems , development of new system concepts , optimization of acceleration deriving from dgps , optimization of filtering and estimation methods , and the application of airborne gravity data in various mapping and exploration applications
本文概述了航空标量重力测量的研究现状及发展动态，传统航空重力测量系统的改进，新型系统方案的研究，从gps中导出加速度的理论和方法，滤波和估算方法及航空重力数据的应用等五个方面的重要研究成果。 |
