System Nucleus is freeware.

系统的核心是免费软件。

youdao

The Verve operating system consists of a nucleus, a kernel and one or more applications.

Verve操作系统由内核(nucleus)、核心(kernel)和一个或多个应用程序组成。

youdao

The third chapter is the nucleus which analyses the carrier's liability system.

第三章分析了承运人的责任制度，是本文的核心。

youdao

It is no longer tethered to the nucleus so there is no energy stored in the system.

它已经不再受原子核的吸引,所以这个系统中没有能量储存了。

麻省理工公开课 - 固态化学导论课程节选

Self-disclosure was strongly associated with increased activation in brain regions that form the mesolimbic dopamine system, including the nucleus accumbens and ventral tegmental area.

FORBES: 'It's All About You!'

For example, military trucks -- now in large supply -- could provide the nucleus for an entrepreneurial distribution system.

CENTERFORSECURITYPOLICY: Center For Security Policy

Receiving the most buzz however seemed to be the GE Nucleus, a home energy monitoring system that uses Brillion Technology to work with smart meters and help homeowners manage electricity consumption (and eventually water, natural gas, and renewable energy consumption after software upgrades).

FORBES: Get yourself connected: GE at CES 2011