And also it includes the discussion on present status of large press, small press and belt type press, as well as international research direction of big monocrystalline diamond grains.
同时讨论了我国的大压机、小压机及两面顶压机现状； 国际上大颗粒单晶研究方向。
On the basis of discussion of present status and problems involved with research on the Marine carbon cycle, the role of Marine ecosystem dynamics in ocean carbon cycle is analysed.
在讨论了目前海洋碳循环研究的现状和存在的问题基础上，分析了海洋生态系统动力学在海洋碳循环中的作用。
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