矿床为斑岩型网脉状硫化物钨矿床，该矿床伴生可供利用的金。
The deposit, refers to the stockwork sulphide tungsten deposit of porphyry type with associated gold which can meet the requirement of utilization.
本文介绍了球扁壳、回转壳、双曲壳及金字塔型网壳结构的设计和选型。
In this paper, designs and form selections on flat spherical shell, rotatory shell, curved surface shell and pyramidal shell are introduced.
阐述了讨论网络可靠性的必要性、网络可靠性定义和树型网的可靠性估算。
This paper describes the necessity of discussing network reliability, definition of network reliability and evaluation of reliability of tree networks.
应用推荐