sonic speed

基本解釋

When a high-speed train enters a tunnel, a compression wave is formed ahead of the train which propagates along the tunnel at a nearly sonic speed.
爲(wèi)了降低噪聲的影響，對(duì)高速列車穿越帶有竪井的隧道時(shí)産生的壓縮波進(jìn)行了三維粘性流場(chǎng)數(shù)值模擬。
The basic principle of the subsurface sonic tomography technique is described and the abnormal characteristic of sonic speed tomography is also discussed for a ball model.
本文簡(jiǎn)述了地下聲波法的工作原理，竝從球躰異常出發(fā) ，闡述了建立速度層析成像後的異常特征。
This system adopts the USB2.0 interface to obtain the real time and high speed sonic data with DMA technique.
採(cǎi)用USB2.0作爲(wèi)與主機(jī)的數(shù)據(jù)接口，通過(guò)DMA進(jìn)行高傚數(shù)據(jù)傳輸，在數(shù)據(jù)採(cǎi)集的同時(shí)能夠?qū)崿F(xiàn)程控聲波發(fā)射。

The multi-tasking image-processing Venus Engine enables beautiful image recording and Sonic Speed AF (Auto Focus) combined with a quick camera start-up time to offer a high-speed response time to ensure users can capture even the most spur-of-the-moment photo opportunities.
ENGADGET: Panasonic's Lumix line gets a lot more crowded
There have been dark hints from people at Boeing that manufacturing work on the Sonic Cruiser, a high-speed airliner, will move out of the state unless traffic between Boeing's factories around Seattle gets unclogged.
ECONOMIST: Citizens' initiatives
Any plane that flies past the speed of sound creates a sonic boom, which often results in a major noise disturbance over close-by areas.
FORBES: Magazine Article