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1·“非洲西北2364”的发现也帮助科学家坚定了对我们周围其他星系形成原理的理解。
The discovery of Northwest Africa 2364 is also helping to firm up scientists' understanding of how our local neighbourhood formed.
2·介绍了泵送混凝土人工点柱支护工艺，并对该工艺进行了一系列可操作性试验，在湘西金矿沃溪矿区2364采场进行了采矿试验。
The technology and practice of artifical pumpcrete pillar support is briefly introduced in this paper. The mining test was carried out using the pillars, at 2364 stope of Woxi mining district.