The performance of polycrystalline material manufactured by using Hot-pressed forming method, PVD and CVD is becoming perfect and has replaced monocrystalline material in some fields.
热压法、P VD、CVD制备的多晶材料日趋完善，在一些领域已取代单晶材料。
There are a lot of methods in producing films, including CVD, PVD and some other special methods.
薄膜的制备方法包含很多，主要有化学气相沉积，物理气相沉积和其他一些独特的制备方法。
Coating by physical vapour deposition (PVD), coating by chemical vapour deposition (CVD) and surface layer modification by ion implantation, all three are being tested and are partly in use.
涂层的化学气相沉积(CVD)和表面层改性的物理气相沉积(PVD)涂层的离子注入，所有三个正在受到考验，并部分使用。
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