“They imply some kind of core problem,” said Thomas B. Cochran, a senior scientist in the nuclear program of the Natural Resources Defense Council, a private group in Washington.

托马斯.B.科克兰是华盛顿私人团体“自然资源保护委员会”核项目的高级科学家，他说：“他们暗示说堆芯出了些问题。”

youdao

To show how the defense in depth works, we will first examine a centric model of three primary layers: core, middle, and outermost.

为了演示深度防御的工作原理，我们将首先研究包含三个主要层次的中心模型：核心层、中间层和最外层。

youdao

The core technology of information security lies in attack and defense, that is, attack technology and defense technology, only to master the attack technology in order to achieve better security.

信息安全的核心技术在于“攻防”，即攻击技术和防御技术，只有掌握攻击技术才能更好做到安全防御。

youdao

"However,what Egypt did undermine, to an extent,especially in the last two years, has been to combine its legitimate defense of national security concerns with a wider appeal to Arab interests and Palestinian interests at the core of them,".

VOA: standard.2009.11.03

Cantor's comments mirror the official Republican response to the speech, delivered by Louisiana Gov. Bobby Jindal, who mixed a defense of core Republican values with an overall pledge to work with Obama.

NPR: GOP Leaders Give Obama Style Points For Speech

It has been a long time since Republicans showed a fighting temper of this kind, unyielding in its contempt for what the choice of a Hagel represents about core values like the national defense, our stance regarding the most dangerous of our enemies in the world.

WSJ: Dorothy Rabinowitz: Chuck Hagel's Defenseless Performance

The Bears will attempt to build a defense around the slightly younger core of star linebacker Lance Briggs, turnover-magnet defensive back Charles Tillman and star pass rusher Julius Peppers.

WSJ: Chicago Bears, Brian Urlacher: The Urlacher Era Is Over in Chicago