noiseless action无声操作
noiseless pulse[电子] 无噪声脉冲
Noiseless Wheels静音辘
noiseless aisle无噪声道
noiseless track无杂音纹道
noiseless channel[通信] 无噪声信道;无噪声道;[通信] 无噪信道;无噪声信道
noiseless chain无声传动链
noiseless motor无噪声电动机
noiseless drive无声传动;低噪声驱动
Six legged noiseless wall-climbing micro-robot has glamourous future in military affairs and anti-terror application, because of its small size, good performance of invisibility and maneuverability. Therefore correlative research is count and signality.
六足微声爬壁机器人具有体积小、隐蔽性强、运动灵活的特点,在军事、反恐等方面有良好的应用前景,开展该方面的研究具有重要的实际应用价值及社会意义。
参考来源 - 微声六足壁面移动机器人的研究ADJ（形容词） Something or someone that is noiseless does not make any sound. 无声的 [ADV with v]
The snow was light and noiseless as it floated down.
雪花静悄悄地轻轻飘落下来。
ADV（副词） noiselessly
I shut the door noiselessly behind me.
我把身后的门轻轻带上。