With the rapid development of our great country, big changes have t place in science and technology in recent years. These innovations (创新) have allowed China to catch up with other scientific powerhouses or even lead in certain fields.

    Take hybrid rice (杂交水稻) as an e. The crop (农作物) has been feeding the country since it was developed. By the end of last year, farmers in over 40 countries all over the w had planted more than 7 million hectares (公顷) of the crop.

    The Jiaolong, China's first manned deep-sea research submersible (潜水器), made its debut (初次露面) i 2010. It made China the f country, after the United States, Russia, France and Japan, to develop deep-sea exploration technology.

    China has made great p in cloning technology, too. In January this year, Chinese s cloned five monkeys from a gene-edited (基因编辑的) macaque (猕猴) for biomedical (生物医学的) research- the first time in the world that this had been done.

    Still, China needs to work even h in some key fields such as microchip (微芯片) development and engine manufacturing (发动机制造). Firstly, China will attract more talented researchers. S, the government needs to offer more policy and market support, as w as invest (投资) more in human resources, to encourage more innovations.