中国大学MOOC: Social Strata refers to the _____________ categories within a society, defined on the basis of such elements as family background, income, and occupation.
中国大学MOOC: Social Strata refers to the _____________ categories within a society, defined on the basis of such elements as family background, income, and occupation.
The ______ is a sample of rock which allows geologists to examine the strata in proper sequence and thickness. A: heart B: core C: point D: cente
The ______ is a sample of rock which allows geologists to examine the strata in proper sequence and thickness. A: heart B: core C: point D: cente
The Qipao, also known as the _________, originated in Manchurian China during the Qing Dynasty (1644-1911) when certain social strata emerged, among them the Banner People.
The Qipao, also known as the _________, originated in Manchurian China during the Qing Dynasty (1644-1911) when certain social strata emerged, among them the Banner People.
What are the technical factors to be considered in mining methods? ( ) A: Equipment level B: Technology method C: Strata control D: Cost per ton of coal
What are the technical factors to be considered in mining methods? ( ) A: Equipment level B: Technology method C: Strata control D: Cost per ton of coal
During top coal caving mining, the essential cause of top coal crushing is ( ). A: softening of water in roof strata B: the stress it beared is large than its own strength C: the gas in the top coal expands, leading to breakage D: cracks produced by raw coal during its formation
During top coal caving mining, the essential cause of top coal crushing is ( ). A: softening of water in roof strata B: the stress it beared is large than its own strength C: the gas in the top coal expands, leading to breakage D: cracks produced by raw coal during its formation
O'Reilly Media,Inc.是世界上在UNIX、X、Internet和其他开放系统图书领域具有领导地位的出版公司,同时是联机出版的先锋。以下哪一位不是O'Reilly预定于2017年7月12日-15日在中国北京举办的Strata Data Conference的主题讲师?
O'Reilly Media,Inc.是世界上在UNIX、X、Internet和其他开放系统图书领域具有领导地位的出版公司,同时是联机出版的先锋。以下哪一位不是O'Reilly预定于2017年7月12日-15日在中国北京举办的Strata Data Conference的主题讲师?
判断下列文献各属于哪种文献类型（如期刊论文、图书、学位论文、会议录或会议论文、标准、科技报告、专利等）。（1）为 ______ （2）为 ______ （1）[4] CRAWFPRD W, GORMAN M. Future libraries: dreams, madness, & reality[M]. Chicago: American Library Association, 1995: 17-21.（2）[1] Ediz, 1. G. Numerical simulation of methane flow though strata adjacent to a working longwall coal face. Ph. D. Dissertation, University of Nottingham, UK, 1991.
判断下列文献各属于哪种文献类型（如期刊论文、图书、学位论文、会议录或会议论文、标准、科技报告、专利等）。（1）为 ______ （2）为 ______ （1）[4] CRAWFPRD W, GORMAN M. Future libraries: dreams, madness, & reality[M]. Chicago: American Library Association, 1995: 17-21.（2）[1] Ediz, 1. G. Numerical simulation of methane flow though strata adjacent to a working longwall coal face. Ph. D. Dissertation, University of Nottingham, UK, 1991.