您要查找的是不是:
- Calculation of Road Traffic Noise Attenuation in Acoustic Shadow Zone 公路交通噪声在声影区降噪量的计算探讨
- acoustic shadow zone 声影区
- Most of the branchial cysts, neurinomas, lymphoma had lateral acoustic shadow. 腮裂囊肿、神经鞘瘤、淋巴瘤大部分有侧方声影;
- Sonography showed curvilinear hyperechogenicity with an acoustic shadow. 超音波显示一曲线状之强回音,后方伴随音响音影;
- The relationship between aerodynamic shadow zone and the size of building. 空气动力阴影区与建筑几何尺寸的关系。
- Results Ossificans myositis had specific features on sonograms.Mass had low level echo early phase and strong echo later stage with acoustic shadow. 结果骨化性肌炎骨化未成熟期声像图表现为不均匀低回声肿块,骨化成熟后,声像图表现为强回声肿块,后方伴声影。
- In the ultrasonogram, we found that the metal and glass foreign bodies were followed by acoustic tails, and the rest of non-metal were followed by acoustic shadow. 在金属和玻璃类异物之后为声尾,其余非金属类异物之后为声影。
- The aerodynamic shadow zone means an area of vortex caused by wing field, which lies in the leeward side and the top of build-ing. 空气动力阴影区是在风的作用下建筑物背风侧和顶部的旋涡区。
- For oblique incidence, considerable amplification is observed in front of the canyon, and a prominent shadow zone is realized behind the canyon. 对于斜入射角,在峡谷的前方,会观察到很大的位移放大,而在峡谷的背面,会有很明显的凹陷带。
- Results A hyperechoic area with acoustic shadow below appeared immediately after alcohol injection.The hyperechoic area diffused and its boundary was illegible following injection. 利用互相关分析的方法 ,计算机处理全部原始射频信号获得组织的弹性图,并与大体标本进行对照。
- In fault belts, the imaging shadow zones change with the variety of narrow azimuth observation directions. 对于断裂带而言,不同方向窄方位角观测成像阴影带不同。
- Study of the shadow zone of the radar in the atmospheric duct 大气波导条件下雷达电磁盲区的研究
- He had to live in the shadow of his famous father. 他不得不在他那有名望的父亲的庇护下生活。
- The shadow of death is on his face. 死亡的阴影笼罩在他的脸上。
- The Norwegians live in a comparatively cold zone. 挪威人生活在比较寒冷的地区。
- The police put a shadow on the suspected robber. 警方派探员盯住那个抢劫疑犯。
- John lived in the shadow after his retirement. 约翰退休后,过着隐居的生活。
- The tragedy cast a shadow over their lives. 这一悲剧在他们的生命中投下了一片阴影。
- Opened the show with an acoustic set. 不用电子乐器开始演出
- Supplies were parachuted into the earthquake zone. 救援物资已空投到地震区。