bird echo 中文意思是什麼
bird echo
解釋
鳥的回波-
The echo of single hole was high, its front was steep edge ; the echo of dense hole was connected and uneven ; the echo of crack was high and keen - edged, the bottom echo was decline in some certain ; the echo root of bird ' s net had some small wave followed
單個孔洞反射回波高，前沿較尖銳；密集氣孔回波參差不齊，根部互相連接；裂紋回波高而尖銳，底波有所下降； 「鳥巢」缺陷的反射波根部有若干小波峰出現。 -
The bird - song is the echo of the morning light back from the earth
鳥的歌聲是晨光從地球返回的回聲。
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