The WSTK contract service is used to establish whether the user of a service has a valid contract in place, the contract identifier is then referenced on the meter records.

WSTK合同服务用来确定服务的用户是否拥有一个有效的合同，之后合同标识符将在评测记录中被引用。

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On the other hand, in order to obtain larger market share and to get more benefits for owners, the enterprises should provide project management and general contract service.

另一方面，工程咨询企业要获得更大的市场份额，为业主创造更多效益，就必须推进项目管理和工程总承包服务。

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Though UPS had continued to expand its retail store services throughout the 1930s and 1940s, by the early 1950s it was clear that contract service to retail stores was limited.

虽然在1930和1940年代，UPS继续扩展其零售店铺服务，但到1950年代早期，与零售店铺所订的合同服务明显减少。

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So if you get the CD set, not only do you get a wonderful beginning library of classical music but in effect you get a lifetime service contract with it.

所以一旦你买了整套CD,你不仅可以拥有一个古典乐图书馆,而且还可以享受终身服务

耶鲁公开课 - 聆听音乐课程节选

"Contract service in the army - the future of the new Russia!"

BBC: Russian soldier beside APC

For them, contract service means the chance to gain Russian citizenship.

BBC: Russian soldier beside APC

Under the Russian coat of arms, it says "Choose contract service!"

BBC: Russian soldier beside APC