求翻译：出台了一系列优惠政策，对落地项目实行“一站式、保姆式”服务，明确专人全程代办手续，形成了独具特色的一线工作法、5+2、白加黑工作制。是什么意思？

Issued a series of preferential policies, the implementation of the landing project "one-stop, babysitting" services, clearly someone full agency procedures, developed a unique line of work method, 5 +2, white with black work system.

have adopted a series of preferential policies, the landing project has introduced the "one-stop, nanny, assign a full-stop" service charge d'affaires, procedures developed a unique one-line work law, 5 +2, white and black working systems.

Has appeared a series of preferential policy, implements “the "one-stop" work style, the nursemaid type” to the landing project the service, is clear about specialist entire journey charge d'affaires the procedure, has formed an informer method which is characteristic, 5+2, Bai Jiahei the working sy

Has introduced a series of preferential policies for landing project on implementation of "one-stop-shop, baby-sitter service", clearly someone the whole agency procedures, formed a unique working method, 5+2, white and black.

Issue a series of preferential policies, serve " one-stop, nurse type " to the floor project, define the special messenger handles the procedure on one's behalf in the whole journey, has formed a gleam of distinctive working law, 5+2, added black work system in vain.