DWDM receives telecom operator's greatest esteem by being the main networking method in backbone projects around the world now.

DWDM作为现在干线工程的主要组网方式，在世界范围内越来越受到运营商的推崇。

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Lavish public spending on infrastructure and other projects made up the backbone of Mr. Bo's leftist "Chongqing model" of development, which promoted a strengthening of state-owned enterprises alongside a host of social welfare programs.

WSJ: China Steps In to Steady Bo's City