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。
Aiming at the spectrum spread problem of traditional digital modulation signals, a time-phase modulation (TPM) method with abrupt phase change characteristic is proposed.
针对传统数字调制信号频谱扩展问题，提出具有相位突变特性的时相调制(TPM)方式。
This problem deals with the phase change of a substance with the boundary conditions specified at the moving boundary.
这问题讨论移动界面中带有边界条件物质的相变。
A problem often encountered in the research of materials is how to identify the type of phase change of crystals.
材料研究中经常遇到的一个难题就是鉴别晶相的相变类型。
A problem often encountered in the research of materials is how to identify the type of phase change of crystals.
材料研究中经常遇到的一个难题就是鉴别晶相的相变类型。
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