双凝固浴成膜方法可同时获得较厚的致密表面层和疏松多孔的支撑层。
The dense top layer as well as porous supporting layer can be made by duel-bath coagulation method simultaneously.
图中可见红色的弧形，它是一层致密气体的外层表面，这层气体则遮盖着那些年轻的恒星。
The bright red bowl, or arc, seen in this image traces the outer surface of the dense dust cloud encasing the young stars.
电镀：利用电解原理，使金属或合金沉积在制件表面，形成均匀、致密、结合力良好的金属层的过程。
Electroplating: use the principle of electrolysis, the metal and alloy parts deposition in the surface, form even, density, good adhesion of the metal layer process.
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