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- ultrasonic wave echo measuring distance 超声波回波测距
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- Applications of pulse echo measurement in the studies of Emulsions-system Stability 脉冲回波法研究微乳液体系的稳定性
- Keywords Steel tube O.D. Surface echo measuring Accuracy; 钢管外径;表面波检测;精度;
- It prevents the other end from hearing an echo of themselves. 该功能可以防止远端听到他们的回声。
- The daily echo have a readership of over ten millions. 《每日回声报》拥有读者逾一千万人。
- Scientific measurement of the head. 头测量学，头测量学，测颅学头颅的科学测量
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
- Her softening voice chimed in beautifully with the echo of the music. 她柔和的嗓音与乐曲的回声美妙地融为一体。
- The scientific measurement of time. 计时学时间的科学测量
- The young man is only an echo of his mother's opinions. 那个年轻人只不过是他母亲意见的附和者。
- The Daily Echo has a readership of over ten million. 《每日回声报》拥有读者逾一千万人。
- A standard of measurement or judgment; a criterion. 标准测量或判断的标谁; 标准
- The return of the echo will elapse longer time. 回声返回所耗的时间越长了。
- She shouted on the mountaintop and listened for the echo. 她在山顶上大声喊着，然后聆听着回声。
- The overall measurement of this room is 80 square meters. 这个屋子的总面积是80平方米。
- A circuit that needs to use an echo trap if the circuit is used alone. 一种电路，如果单独使用它，则需要使用回波抑制设备。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
