Communication equipment China Lei-hsien industry technology Scheduled nowadays communication
04-09
General Secretary Xi Jinping pointed out that it is necessary to strengthen the technical support of emergency management equipment, optimize the integration of various scientific and technological resources, promote independent innovation of emergency management science and technology, and rely on science and technology to improve the science and technology of emergency management.
technology nowadays safety management
04-10
Spring, everything is revived and full of life, but it is a difficult season for "allergic stars". At this time, some people start to sneeze, rub their eyes, go out hats, sunglasses, mouth...
04-09