humsn.嗡嗡声humn.嗡嗡声；哼声；杂声v.发低哼声；哼(曲子)；活跃int.哼；嗯（用以表示犹豫）Humic acid-urea complex腐殖酸-尿素络合物humic-like fluorescence类腐殖质荧光humming feature extraction哼唱特征提取humic acids immobilization胡敏酸固定技术humam umbilical vein graft人类脐静脉移植物Humata tyermanni S.Moore圆盖阴石蕨Humate compound fertilizer腐植酸复合肥humi -sensitive materials湿敏材料Humby's skin grafting razor横向光标HUMINT Operations Cell HUMINT卧式铣床