phase change technology 相变光技术
phase-change cooled technology 相变致冷技术
The main problems in GPS technology including the system bias to SLR, its own annual variety and the change of GPS satellite antenna phase center are also discussed.
评述了GPS技术目前存在的问题，包括与SLR测量之间存在的系统偏差、GPS技术本身可能存在的周年变化和GPS卫星天线相位中心的变化。
Nowadays, energy crisis is a world problem which has to solve. The technology of phase change for heat storage is signality for energy source allocation.
能源危机是当今世界迫于解决的问题，相变储热技术对于能源的合理配置意义重大。
The recent research progress of preparation technology on organic phase change materials (PCM) is reviewed.
综述了有机相变材料在制备技术方面的研究进展。
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