The new aircraft creates a sonic boom.
那种新飞机会产生声震。
The new aircraft creates a sonic boom.
那种新飞机会产生声震。
The Mega-Sonic Scatter-Cat Repeller looks like a megaphone because it actually is one.
这个超音波驱猫器看上去像个扩音器,因为它确是
。
This paper introduces promiseful applications of a new wave type so called ultra sonic creeping wave in NDT.
本文介绍了超声无损检测中一种具有较好应用前景波型──超声爬波。
Project Description: Gulfstream Aerospace and NASA's Dryden Flight Research Center tested the structural integrity of a telescopic 'Quiet Spike' sonic boom mitigator on a NASA F-15B testbed aircraft.
湾流航空和宇航局德莱顿飞研究中心测试
结构完整性
伸缩'安静斯派克'爆音缓和对美国航天局
F - 15B条试
飞机。
The result was shown that the program runs quickly and in reliability ,It can replace the nomograph method and use easily for predicating sonic fatigue life of aircraft skin-panel structure .
通过已有算例
证,结果表明计算迅速可靠,可以代替以列线图为主要手段
求解方法,广泛
应用于工程领域。
The traditional deashing methods, such as backblowing and mechanical vibration etc are replaced by sonic deashing technique.
利用声波清灰技术替代袋式除尘器传统反吹、机械振打等清灰方式。
Sonic tumor cells had nuclear goovas. 3 cases showed abundant mitochondria, rough endoplasm reticulum. neurosecretory granules, prozymogen-granule-like particles and annulate lamellae.
瘤细胞有丰富线粒体及粗面内质网,可见到神经分泌颗粒,酶原样颗粒及特征性
环状板层体。
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