1.
A Study on Improving the Performance of Pole Change of High-speed Direct-current Motor;
高速直流电动机改善换向性能的研究
2.
Research on the Performance of Switch Thermal Storage Type Energy Recovery Exchanger and for Its Saving Energy Analysis;
换向蓄热式全热交换器的性能研究及节能分析
3.
DESIGN OF ARC TRANSDUCER ARRAY WITH HEART-SHAPED DIRECTIVITY
高频心形指向性圆弧换能器阵的研制
4.
The Performance Analysis and Research of a New Kind of Reversal Valve in Hydramatic Support;
新型液压支架换向阀性能分析与研究
5.
Performance Analysis and Research of New Kind of Reversal Valve in Hydraulic Support
液压支架新型换向阀性能分析与研究
6.
Switchable Light Guides for Improved Cost performance.
光导向切换功能提高了同成本下的机械性能。
7.
Analysis of Property of a New Type Heat Exchanger with Ceramics Regenerator and High-frequency Switch by Experiment;
新型高频换向陶瓷蓄热式换热器性能分析及实验研究
8.
Numbercle Study Longitudinal Vortex Generration and Heat Transfer Enchancement;
纵向涡的发生及强化换热性能的数值研究
9.
Research on Handoff Efficiency of Mobile IPv6 Facing Internet Application for Passenger Train;
面向旅客列车Internet应用的移动IPv6切换性能研究
10.
Research of Sharpening Directivity of Piezoelectric Ultrasonic Transducer Array;
对于提高压电超声换能器阵指向性的研究
11.
ON TURNING LEARNED HELPLESSNESS IN STUDY TO SELF-EFFICACY;
论学业习得性无助感向自我效能感的转换
12.
Study on the Design of Arch Transition Layer of High Rise Building
高跨比对拱式转换层竖向受力性能的影响
13.
A way to widen the directivity of protuberant spherical piezoelectric transducer
一种拓宽凸球面压电换能器指向性的方法
14.
Mathematics Model and Parameter Calculation for Reverse Flow Diverter
可逆流体换向装置性能的数学模型及参数计算
15.
The design and realization of projecting transducer directivity pattern field-testing instrument
发射换能器指向性现场测试仪的设计与实现
16.
The Design and Performance Test of a High Frequency Gas Reversing Valve
一种高频气流换向阀的设计与性能测试
17.
undirectional n.
[港台] 单向转换器；[大陆] 单向换能器
18.
The Infuluence of Converasion Layer Height to Enlarged-base Twin-tower Structure on Seismic Perfomance and the Development of Stress Charactristic on SRC Beam;
转换层竖向位置对大底盘双塔结构抗震性能的影响及SRC转换梁受力性能的研究