vacuum zone meaning in English

渗流带,上层滞水带
真空地带

Polycrystalline silicon - examination method - vacuum zone - melting on boron
硅多晶真空区熔基硼检验方法
Product variants are also offered for tasks in pure vacuum zones or combined vacuum - pressure zones
产品变量还可以适合完全真空区域或者真空压力混合区域中的作业。
Affirming inside dealing is extremely difficult on account of the concealment of the inside dealing of itself and the complication of our country ' s special social surrounding . in addition , owing to the deviation in the thoughts about the legislation of securities and corresponding vacancy in civil liability of compensation , the protection of investor ' s legitimate rights and interests has been ignored just like in a vacuum zone
由于内幕交易行为本身的“隐秘性”及我国特有的社会环境，使得实践中内幕交易的认定极为困难；而且，证券立法思想的偏差以及因此导致的民事责任制度的缺位，使投资者合法权益的保护处于法律制度设计的真空地带。