Due to the advantage of high energy density, low heat affected zone, low shape distortion of components, high welding speed, the research of the laser welding is the focus of the laser process.
激光焊接技术由于其能量密度高、热影响区小、焊接变形小、焊接速度高等众多优点，一直是激光加工方面的研究热点。
The high absorption energy makes ground water in air containing zone move towards the freezing layer and produce seasonal frozen perched ground water.
它具有很强的吸附能凝聚水分，使包气带水和潜水从液态、汽态向冻结层迁移富集，形成季节性固态地下水。
The Siberian high-pressure zone ensures a strong and steady wind flow over northern Japan, but the regions utility companies have not taken advantage of this natural energy resource.
西伯利亚高压区保证了日本北部强而稳定的风流，然而这个区域的公共事业公司却没有利用这项天然的能源资源。
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