高速公路对周边环境的噪声污染是较严重的。
Lower inertia, lower yawp and high precision are the virtues of optical rotary encoders.光电编码器具有低惯量、低噪声、高精度和高分辨率等优点。
For me, the yawp of "one, two, three, four", and the rhythmic accompaniment are as beautiful as symphony.那喊声(播音员的一二三四的叫号声),那有节奏的伴奏音乐及配器如交响乐一样优美。