sub-telephone frequency

By means of the mechanical method of two sets of closed system of force and elasticized closed sub-system of force, a test on enlarging tonnage capability of the high frequency tensile and compression fatigue testing machine has been evaluated.

本文利用二套封闭力系及子封闭力系弹性化的机械方法，在小吨位高频拉、压疲劳试验机上首次完成了超吨位试验的技术签定。

This test system includes three sub-systems which is Telemetered data interpret subsystem, Radio frequency automation test subsystem and Baseband automation test subsystem. The goal of designing this system is to establish a test platform of general space data.

该系统包含遥测数据判读、射频自动化测试与基带自动化测试三个测试子系统，本测试平台的建立可基本满足现有国内星基遥感数传系统的测试要求，且具有平台通用性。

High-frequency plasma ( HFP) as a high power and pure thermal source is used for producing ultra fine powder of sub-micron ZrO 2 and nano-meter ZnO by means of heat decomposition-condensation under high temperature in gas phase.

以高频等离子体（HFP）为高能、纯净热源，采用高温离解&气相冷凝沉积新工艺制备出亚微米级ZrO2及纳米级ZnO等超细粉体材料。

Thyristor-Controlled Series Compensation have multi-functions of damping low-frequency power oscillation, enhancing transient stability of the power system and mitigating sub-synchronous resonance.

可控串联补偿装置具有阻尼线路功率振荡、提高电力系统暂态稳定性、抑制次同步谐振等多种功能。

Approaching how to distinguish outlier from different parameter estimation methods. And used this standard ( large than EX+ 3 x σ X) to estimate the design sub stage maximum tidal levels using the frequency analysis.

探讨了不同参数估计方法下如何判别特大值，并用得到的判别标准（大于EX+3×σX）对修正后的分期最高潮位序列进行频率分析确定了分期设计最高潮位。