wave-velocity meter

25-meter telescopes in the decimeter and centimeter wave bands, 10-meter wave band telescopes and advanced optical telescope terminal equipment will also be used.

二十五米口径的分米、厘米波段望远镜、十米波段望远镜以及先进的光学望远镜终端设备。

Portable ultrasonic thickness meter sound surface wave band pass filter

携带式超声波测厚仪声表面波带通滤波器

An expression for the critical superheat is developed using long wave theory stability analysis of the interface. DIGITAL OVERHEAT TEMPERATURE METER FOR WATER STEAM

运用长波理论分析稳定性，得到临界过热度的表达式，从理论上预测了近壁区因素对临界热负荷的影响。数字式水蒸气过热度表的研制

Coaxial electromagnetic wave phase water cut meter which has excellent performance for very high or very low water cut measurement;

对特低和特高含水率测量性能良好的同轴电磁波相位含水率计；

Study on testing L_ ( eq) function of the sound level meter with step wave method

阶梯波法测试声级计L（eq）功能的研究