What was the period when modern China attached the most importance to science and technology?

On October 27, 1953, China's first seamless steel pipe was successfully pressed in Anshan Iron and Steel Seamless Steel Pipe Factory. In July 1954, the first aircraft of New China, "Chujiao 5", was successfully developed at the Nanchang Aircraft Factory, and the first test flight was also a complete success. On August 1, 1958, China's first computer was successfully developed by the 103 type general-purpose digital electronic computer led by Zhang Zichang, with a running speed of 1,500 times per second and an internal memory of 1,024 bytes.

On October 16, 1964, China's first atomic bomb was successfully launched in Lop Nur, Xinjiang, and China reached a very high level in the design and manufacture of atomic bomb theory, structural design, and various parts, assemblies, and detonation control systems. In 1965, a research team composed of scientists such as Niu Jingyi, Gong Yueting, Zou Chenglu, Xing Qiyi, and Wang You synthesized the world's first artificial protein crystalline bovine insulin. In 1969, China developed the antimicrobial gentamicin with unique curative effect, which is a broad-spectrum antibiotic independently developed by China.

On April 24, 1970, China launched its first artificial earth satellite, Dongfanghong 1, which was the first artificial earth satellite designed and manufactured by China.

Answer]: State Wide D

Analysis: The "Yellow Bird" steamer is the first steam engine paddle steamer designed and built by China itself. The cost of ** book trembled eight thousand taels. In 1865, Dongxiao was designed and built by Xu Shou and Hua Yufang in Anqing Ordnance Institute. Therefore, the answer to this question is D.

In my opinion, the most rapid development, apart from the economy, is the construction of infrastructure, which incorporates a large number of modern cutting-edge technologies.

1. Zhan Tianyou presided over the construction of China's first railway, the Beijing-Zhangjiakou Railway.

2. Feng Ru developed China's first aircraft.

3.Li Siguang founded geomechanics, based on which he discovered Daqing and other oil fields.

4.Hou Debang invented the Hou's alkali method.

There are also two bombs and one star.

The Buddhas, the source of Tetra Bli, have achieved success by practicing the Dharma, and they have also known the reasons for their actions, and they have proclaimed the Buddha's deeds here.

When the boat was full, in order to ferry back to the sea from him, he did not slack off day and night, listening to and meditating on the practice of Buddhism.

Greed for relatives is like boiling water, hatred of enemies is like fire, forgetting to give up the foolish, abandoning the hometown of the Buddha.

There is also the Qiantang River Bridge of Mao Yisheng.