HEF：高能聚焦
“高能聚焦”（High Energy Focus，常缩写为HEF）这一术语在能源及相关技术领域中应用广泛。为了方便书写和使用，专业人士和机构普遍采用首字母缩写HEF。该术语主要描述一种将能量高度集中以提升效率的技术或方法，常见于科研、工业及新能源开发等场景。
High Energy Focus的英文发音
例句
- Due to high temporal and frequency resolution and high energy focus, the accuracy of fault signal feature extraction is greatly improved by WVD.
- WVD很高的能量聚集性和很好的时频分辨率，极大地提高了故障信号特征提取的准确度。
- During the inscription process, high optical energy at the laser focus would be deposited inside the materials due to the nonlinear multi-photon absorption, resulting in a highly localized structural modification to the materials, one example of which is refractive index change.
- 在激光写入的过程中，激光焦点处较高的光能量通过非线性的多光子吸收沉积在衬底中，使得写入处材料结构发生变化，折射率的改变就是这种材料改性的结果之一。
- High Intensity Focused Ultrasonic technology () is a branch of the medicine-physics. It makes high intensity ultrasonic energy on the focus to act on target tissue.
- 高强度聚焦超声治疗是采用多探头高能聚焦(HEF)超声装置，对靶组织发射聚焦超声波，使靶组织内产生高温，进行治疗，可直接使肿瘤达到凝固性坏死。
- Energy storage is a key technology and an important way to achieve efficient use of energy. How to achieve high efficiency, high power density and high reliability energy storage has always been research focus of scholars at home and abroad.
- 能量存储是能源系统中的一项关键性技术，是实现能源高效利用的重要途径；如何实现高效率、高功率密度、高可靠性的能量存储，一直是国内外学者的研究热点。
- Everyone has high and low periods of energy, attention and focus.
- 每个人的精力、注意力程度和精力集中程度都有旺盛期和低迷期。
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