| 1. | New developments of geometirc quantity measuring and testing technology and instrument 几何量计量测试技术及仪器的若干新进展 |
| 2. | Vorticity is a physical quantity measuring the rotational sense and speed of a fluid flow 涡度,是表示气流的旋转程度和旋转方向的一个物理量。 |
| 3. | Electrical relays . single input energizing quantity measuring relays with dependent specified time 继电器.用从属的规定时限测量单输入能量用继电器 |
| 4. | Electrical relays - single input energizing quantity measuring relays with dependent or independent time 继电器.与时间有关或无关的单输入励磁质量测量继电器 |
| 5. | Electrical relays . part 3 : single input energizing quantity measuring relays with dependent or independent time 电气继电器第3部分:它定时限或自定时限的单输入激励量量度继电器 |
| 6. | Electrical relays ; part 3 : single input energizing quantity measuring relays with dependent or independent time 继电器.第3部分:非固定时限或固定时限的单输入激励量的测量继电器 |
| 7. | Electrical relays . part 3 : single input energizing quantity measuring relays with dependent or independent time 继电器.第3部分:时间依赖或非时间依赖的单输入式增能数值测量继电器 |
| 8. | Electrical relays . single input energizing quantity measuring relays with non - specified time or with independent specified time 电气继电器.无规定时限或自定时限的单输入激励数值测量继电器 |
| 9. | Electrical relays - part 3 : single input energizing quantity measuring relays with dependent or independent time iec 60255 - 3 : 1989 , modified ; german version en 60255 - 3 : 1998 继电器.第3部分:带独立时间或非独立时间特性的单输入 |
| 10. | The research object here is a high - level film transport system of space camera . main contents are following : design and analyze fixed quantity intermittent film - transport system with tension - control , invariant tension - control system in the point of view of structure ; conduct dynamic property of fixed quantity measuring film roller and deduce the film ' s dynamic property and film tension 本文以某型高级航天相机的输片系统为研究对象,从结构设计的角度出发探讨了带有张力控制的定量间歇式输片机构的设计与分析,介绍了定量间歇输片系统的结构设计及恒定张力控制系统的结构设计。 |