| 释义 |
DEFINITIVE EXAMPLES 权威例句〔echo sounder〕A device for measuring depth of water by sending pressure waves down from the surface and recording the time until the echo returns from the bottom.回声测深器：一种通过向水面发射压力波，并记录水底反射回波到达原发射地的时间来测量水深的仪器美国传统〔sound wave〕A longitudinal pressure wave of audible or inaudible sound.声波：包括听得见或听不见的声音的纵向压力波美国传统The computer is fused so if there's a power surge it won't destroy the circuitry.计算机上装有保险丝，所以如果出现电力波动，电路就不会遭到破坏。剑桥国际 |