BEIJING, Oct. 4 (Xinhua) -- The following are the highlights of China's major technology news from the past week:

WING LOONG-2 UAV

The China-developed Wing Loong-2 unmanned aerial vehicle (UAV) has completed the country's first large UAV-supported emergency communication exercise, the Aviation Industry Corporation of China (AVIC), its developer, announced Saturday.

The Wing Loong-2 successfully completed the communication support exercise mission, which was directed by the Ministry of Emergency Management (MEM), flying continuously for around 20 hours across three provinces, according to the AVIC.

This exercise verified the high reliability and adaptability of the Wing Loong-2 in complex environments, especially its communication support capability as a large unmanned aerial communications platform in extreme conditions, the AVIC said.

SATELLITE IMAGES

The China National Space Administration on Tuesday released over 20 images taken by a high-resolution multi-mode imaging satellite launched in July.

The images, with a resolution up to sub-meter level, include some regional landmarks such as the National Stadium in Beijing, towns in Inner Mongolia Autonomous Region, solar power stations in Jiayuguan in northwest China's Gansu Province and Gezhouba Dam in central China's Hubei Province.

SATELLITE DATA

China Remote Sensing Satellite Ground Station has received data from two newly-launched environment monitoring satellites, sources with the Chinese Academy of Sciences said Tuesday.

The ground station in Beijing's Miyun District was the first to successfully track and receive the downlink data of HJ-2A and HJ-2B satellites. The ground station in Kashgar in Xinjiang Uygur Autonomous Region also received data from the two satellites.

A total of 119 GB data was received under normal operational conditions on Monday.

SUBWAY ENERGY DEVICE

Chinese researchers have developed a ground hybrid energy storage device of supercapacitor and battery to save energy for subways. The device can recycle the energy of a subway train's break and pull the trains to stations by the reserved energy when the power supply experiences sudden failure.

The energy-saving efficiency of the device can surpass 15 percent. About 13 percent of energy will be saved on each workday, with 17 percent saved on each weekend day.

RADAR ON ILLEGAL FISHING

Fishery authorities in east China will use a radar system to crack down on illegal fishing at Taihu Lake, the country's third-largest freshwater lake, where a 10-year fishing ban begins Thursday.

The radar system, launched by the city of Wuxi's Binhu District, in east China's Jiangsu Province, employs technologies like 5G, big data and cloud computing and can track 64 targets simultaneously. Enditem

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