For function optimization problems, according to the nature of the objective function domain, can be divided into discrete function optimization and continuous function optimization.

对于函数优化这个问题，根据目标函数定义域的性质，可以分为离散函数最优化和连续函数最优化。

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First is a strong record of accomplishments in a series of positions with increasing responsibility in a particular function or domain.

首先就是在特定职能或领域中，在各种岗位上取得出色成就的记录，并担任了日益重要的责任。

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Of course, real contracts are written in a language and may not unambiguously define such a function - not its domain or range, much less the function itself.

当然，真实的合同是以语言的形式写的而且可能会含糊的定义这个函数，不光是它的范围和领域，还可能是函数本身。

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From a technical standpoint, CloudFlare offers authoritative DNS, a function of the domain name system that Web sites use to identify themselves on the Internet, with a twist.

FORBES: How CloudFlare's Free DDoS-Protection Service Is Disrupting the Multibillion Dollar Computer Security and Content Delivery Markets

But before an overseer can sell its name to a registrar, it has to determine who will be eligible to use the name and provide the technology that will enable the domain to function.

WSJ: The Race to Nab Web Addresses

With applications for nearly 2, 000 new domain names outstanding, each one of which will function as a miniature .com registry under the control of the winning bidder, the new territories will be exponentially harder to monitor than the existing world of .com, .edu, .gov and a handful of generics like .travel and .museum.

FORBES: Cybersquatters Get Rich New Territories With Generic Domains