您要查找的是不是：
- Keywords ： Ultrasonic Wave; Piezoelectric Effect; Resonance; Singlechip; Integrated Circuit. 关键词：超声波；压电效应；共振；单片机；集成电路。
- Keywords Ultrasonics;Piezoelectric sensor;Sound parameter; 关键词超声学;压电传感器;声学参数;
- Keywords ultrasonics honing;machining theory;surface precision; 超声珩磨;切削原理;表面精度;
- Keywords ultrasonic wave;corn-bract;flavonoid; 超声波;玉米苞叶;总黄酮;
- Keywords Ultrasonic;Early age concrete;UPV;USWR; 超声波;早期混凝土;波速法;剪切波反射法;
- Keywords Ultrasonic testing;Impeller;Braze quality; 超声检验;叶轮;钎焊质量;
- Keywords ultrasonic vibration;dry reaming;reamer; 超声振动;干式铰孔;铰刀;
- Keywords ultrasonic;weld joint;pressure vessel;NDT; 超声波;焊接接头;压力容器;无损检测;
- Keywords ultrasonic irradiation;extract;rutin; 超声辐射;提取;芦丁;
- Keywords ultrasonic cleaning;smiting board;tobacco; 超声波清洗;震板;烟草;
- Keywords ultrasonic wave;reactive dyes;soaping; 超声波;活性染料;皂洗;
- Keywords ultrasonic wave;tenderizer;dried prawn; 超声波;嫩化剂;虾干;
- Keywords: nanometer, nano acoustic waves, piezoelectric, nano ultrasonics. 关键词：奈米、奈米声波、压电、奈米超音波。
- Keywords ultrasonic;phenol;synergetic effect; 超声波;苯酚;协同效应;
- Keywords ultrasonic;diameter;frequency;couplant; 超声波;直径;频率;耦合剂;
- Keyword： ultrasonic biomicroscopy; 关 键 词： 超声生物显微镜;
- Keywords Ultrasonic televiewer;Image;Logging;Eccentricity; 超声电视;图象;测井;偏心;
- Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
- Keywords Ultrasonic;Torsion vibration;Design of reaming device; 超声波;扭转振动;铰孔装置设计;
- Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。
