求翻译：尽管已经成为全球第二大经济体，但中国经济发展水平仍相对落后，在结构、效率、机制等方面仍需要进一步提升，有相当多的产业位列全球产业链底端是什么意思？

Has become the world's second largest economy, China's economic development level is still relatively backward in terms of structure, efficiency, and mechanism still needs to further enhance a considerable number of the bottom of the industry among the world industrial chain

Though have already become global second economy, the Chinese economy develops the level still opposite fall behind, still need the further increase in the structure,efficiency,mechanism...etc., the global industry the chain bottom that has a nice bit of industry a row carry

Although already became the global second big economy, but the Chinese economy level of development still relatively fell behind, in aspects and so on structure, efficiency, mechanism still needed further to promote, to have the quite many industrial position row whole world industry chain bottom en

Despite having become the world's second-largest economy, but China's level of economic development is still relatively backward, in terms of structure, efficiency and mechanisms still need to be further enhanced, there is considerable industry ranked bottom of the global industrial chain

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