What do the "space shuttle" and "electronic computer" in the poem stand for respectively?

Expressed the pursuit of Yan 'an spirit. Yearning for Yan 'an. "Don't hesitate to lose" and "can't lose" are also in sharp contrast. This repeatedly shows that the backward production and living conditions will be changed, but the revolutionary spirit in Yan 'an will be carried forward. What will happen if Yan 'an spirit is lost? If we lose Yan 'an spirit, it's like we have no soul. Of course, it is impossible to spread your wings and fly to a bright future.

In the poem, "space shuttle" and "electronic computer" represent new technology; Modern things; "Universe" represents an infinite universe and infinite space; "The old cow broke the car" represents the backwardness of the past; "Backbone" represents Yan 'an spirit. What the author wants to pursue actually refers to Yan 'an spirit.

Extended data:

Yan 'an spirit cultivated by the older generation of proletarian revolutionaries is the revolutionary heirloom and precious spiritual wealth of China people. Nowadays, the times have developed and life has become rich, but the Yan 'an spirit of hard work and entrepreneurship cannot be lost.

Yan 'an spirit not only embodies party member's noble qualities and lofty ideals, but also embodies the traditional virtues and heroism of the Chinese nation. In the process of building a socialist modern power, we should carry forward the Yan 'an spirit and improve the quality of spiritual life while improving the material living standards.