All electronic SS type camera tube is characterized by its low expense of power, variable scan frequency, high resolution, small size and light weight.
采用图案电极的静电聚焦静电偏转(SS型)摄像管，具有功耗低、扫描频率可变、分辨率高、体积小和重量轻等优点。
Based on the sound absorption mechanism of Helmholtz Resonator, the advantage of soft tube length is fully used in the new structure, and thus the low-frequency noise can be controled easily.
提出了一种新型的宽频带共振吸声结构，该结构基于赫姆霍兹共振吸声机理，并充分利用了软管在长度上的优势，易于实现对低频噪声的控制。
A formula for analyzing the low frequency instability of the tube grain engine is derived through theoretical study.
通过研究导出一个分析管状装药发动机低频不稳定性的关系式。
A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.
介绍一种用于水声材料低频声性能测量的驻波管测试系统。
Use single stage version to reach the temperature of 20 K is a difficulty for high frequency pulse tube cooler (PTC). Multi-stage version is a popular method to reach the low temperature.
单级高频脉冲管制冷机直接降低到20K以下温区存在很大困难，采用多级方案是高频脉冲管制冷机获得更低温度的主要方法。
In this paper, the analytic solution of the dynamical equation of the pulsatile flow in a rigid round tube under the low-frequency varying magnetic field is obtained.
本文通过求解灾变磁场作用下刚性直圆管脉动流的运动方程，得到了它的分析解。
The design for high-power MOS tube as the core original pipe, using discrete components and integrated operational amplifier combines the low-frequency power amplifier design.
本计划以大功率管MOS管为核心原件，采用分立元件与集成运放相连合计划出的低频功率放大器。
The design for high-power MOS tube as the core original pipe, using discrete components and integrated operational amplifier combines the low-frequency power amplifier design.
本计划以大功率管MOS管为核心原件，采用分立元件与集成运放相连合计划出的低频功率放大器。
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