The same procedure can be used to remove the graininess of highly enlarged photographs, which is of value e.g. in aerial photo reconnaissance . 同样的步骤可以用来去掉放大很多倍的照片上的颗粒特性，这在航空摄影侦察中是有价值的。
Jet engines with which most modern high-speed aircrafts are equipped develop thrust on the same principle as the propellers of conventional aero-engines . 大多数现代高速飞机装备的喷气发动机产生推力的原理，与普通航空发动机的螺旋桨相同。
Investigators at aerojet-general corporation and other organizations have applied acoustic emission with multiple transducers, and triangulation techniques to the detection and location of flaws in large structures . 通用航空喷气公司和其他机构的研究人员用多路传成器和三角定位技术将声发射应用于大型结构的袭纹检测与定位工作中。
When it becomes necessary to examine the altitude performance of an aircraft engine, three types of facilities may be usedaltitude wind tunnels, altitude test beds and flying test beds . 当需要考察一台航空发动机的高空性能时，可以利用三种型式的设备，即高空风洞、高空试验台和飞行试验台。
Technological regulation of geophysical prospecting flight 航空物探飞行技术规范
Aerospace series - elastomeric o - rings - dimensions 航空航天系列.弹性o型圈.尺寸
Failure analysis of stainless pipes in aero - engine 航空发动机不锈钢导管失效分析
He devoted all his life to china ' s aviation 他的一生都奉献给了中国的航空事业。
Does u . s aviation security still has problems 英国的航空安全是否依然存在问题？
