According to the reliable data of sixteen CNC lathes, each reliable index of the serial CNC lathes is evaluated before tackling and after tackling. According to the failure analysis, reliable improvement measures of t...According to the reliable data of sixteen CNC lathes, each reliable index of the serial CNC lathes is evaluated before tackling and after tackling. According to the failure analysis, reliable improvement measures of the serial CNC lathes are put forward.展开更多
The paper summarizes the development of mobile communication of domestic and foreign railways,and proposes the priorities for tackling key technological problems of railway 5G private network according to the technica...The paper summarizes the development of mobile communication of domestic and foreign railways,and proposes the priorities for tackling key technological problems of railway 5G private network according to the technical routes of railway next-generation mobile communication determined by China State Railway Group Co.,Ltd.From the aspects of work objectives,principles,technical routes and innovative working methods,the paper elaborates the ideas of railway 5G scientific and technological research,puts forward the contents and plans of scientific and technological research on railway 5G private network,systematically organizes the achievements in the scientific and technological research stage of railway 5G private network,and sets forth the key contents of next-step scientific and technological research.展开更多
On 18 March 2020,President Moon Jae-in of South Korea said the COVID-19 outbreak is s imultaneously impacting supply and demand and causing a multi-crisis for the real economy and finance.In trying to overcome the dow...On 18 March 2020,President Moon Jae-in of South Korea said the COVID-19 outbreak is s imultaneously impacting supply and demand and causing a multi-crisis for the real economy and finance.In trying to overcome the downturn by utilizing both fiscal and monetary policies,the government of South Korea has so far introduced a total of KRW141 trillion(USD115 billion,7.4%of GDP)support measures to mitigate the impact of the COVID-19 including liquidity provisions and credit guarantees.展开更多
文摘According to the reliable data of sixteen CNC lathes, each reliable index of the serial CNC lathes is evaluated before tackling and after tackling. According to the failure analysis, reliable improvement measures of the serial CNC lathes are put forward.
文摘The paper summarizes the development of mobile communication of domestic and foreign railways,and proposes the priorities for tackling key technological problems of railway 5G private network according to the technical routes of railway next-generation mobile communication determined by China State Railway Group Co.,Ltd.From the aspects of work objectives,principles,technical routes and innovative working methods,the paper elaborates the ideas of railway 5G scientific and technological research,puts forward the contents and plans of scientific and technological research on railway 5G private network,systematically organizes the achievements in the scientific and technological research stage of railway 5G private network,and sets forth the key contents of next-step scientific and technological research.
文摘On 18 March 2020,President Moon Jae-in of South Korea said the COVID-19 outbreak is s imultaneously impacting supply and demand and causing a multi-crisis for the real economy and finance.In trying to overcome the downturn by utilizing both fiscal and monetary policies,the government of South Korea has so far introduced a total of KRW141 trillion(USD115 billion,7.4%of GDP)support measures to mitigate the impact of the COVID-19 including liquidity provisions and credit guarantees.
