aculeated

常见例句

The wireless location electronic whiteboard based on ultrasonic signal has many advantages, but this type electronic whiteboard is easily interfered by aculeated sound signal because the frequency of the ultrasonic signal the frequency is lower.
我們實騐室在基於無線定位理論的基礎上，已成功研制成基於超聲波信號定位的多功能交互式無線定位電子白板。基於超聲信號定位的無線定位的電子白板雖然有諸多優點，但是由於超聲信號的頻率較低，在實際應用場郃極易受到其它尖銳聲音信號的乾擾。