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Contributions to the Blue Dogs' political action committee look set to break previous records, according to the Centre for Public Integrity, based in Washington, DC.

据位于美国首都华盛顿的公众诚信中心的数据,向蓝狗的政治活动委员会的捐款可能会创历史纪录。

NGC 7674 has a powerful active nucleus of the kind known as a type 2 Seyfert that is perhaps fed by gas drawn into the center through the interactions with the companions.

NGC 7674有一个称作塞佛特2型的强烈活动核心,可能是与同伴的相互作用把气体拉进了中心。

Some mergers (including NGC 2623) can result in an active galactic nucleus,where one of the supermassive black holes found at the centres of the two original galaxies is stirred into action.

包括NGC 2623在内的某些碰撞碰撞星系会形成活动星系核,形成这个过程一般会在两个原始星系的中心发现超级黑洞。

Each galaxy also contains an active galactic nucleus, evidence that the chaos is allowing gas to fall into the regions around central black holes as well as feeding starbursts.

每一个星系都包含一活动星系核,有证据表明混乱正在使气体落入中心黑洞周围的区域,同时也为星暴提供着给养。

Other observations have revealed that NGC 4945 has an active galactic nucleus, meaning its central bulge emits far more energy than calmer galaxies like the Milky Way.

其他的观测资料显示, NGC4945拥有一个活动星系核,这意味着:跟象银河系这样比较平静的星系相比,其中心的凸出区域所释放的能量要多得多。

Alternatively, the spectral softening above 2 GeV could be due to gamma-ray absorption via photon-photon pair production on the soft X-ray photon field of the host active galactic nucleus, but such an interpretation would require the dissipation region to be located very close (l~100 gravitational radii) to the black hole, which would be inconsistent with the X-ray spectrum of the source.

另外的关于2 GeV以上能谱变软的可能解释是高能光子和寄主活动星系核的软X射线辐射场通过电子对产生反应而被吸收,但是这个解释要求反应区域要很靠近中心黑洞(1~100倍引力半径),这和3C 454.3的X射线测量谱相矛盾。

In the core of the larger spiral structure of NGC 1300, the nucleus shows its own extraordinary and distinct "grand-design" spiral structure that is about 3,300 light-years long. Only galaxies with large-scale bars appear to have these grand-design inner disks — a spiral within a spiral. Models suggest that the gas in a bar can be funneled inwards, and then spiral into the center through the grand-design disk, where it can potentially fuel a central black holes. NGC 1300 is not known to have an active nucleus, however, indicating either that there is no black hole, or that it is not accreting matter.

星系演化除了像两个星系相撞那样的剧烈作用之外,还有自己内部很慢的演化,因为一个星系总会有一些引力不稳定,如上图中的NGC1300,它是一个棒旋星系,这种bar结构导致的引力不完全对称会驱使很多气体和尘埃损失角动量往里面落,我们可以清楚的看到dust lanes,有点像黑洞的吸积,但这个星系是个非活动星系,目前还没有黑洞存在的明确证据,but我相信肯定是有的,没有比在星系中心放一个黑洞再完美不过的事情了,或许这些下落的dust lanes是黑洞发光的开始呢。

This event comprised a booth on the main floor of the mall containing an exhibition about the building, and an inquiry desk for office and retail space rental.

此活动在购物中心的主要楼层设有摊位,展示关於大楼的资讯,另设立一谘询台,回答办公室和零售商店等出租问题。

We choose the arid land of northwestern China as our study area because of its extensive area, specific geographical location, dry climate, varied topography, vulnerable ecosystems and long-term human disturbance, as well as the existence of current conflicts between economic development and environmental protection. Based on the literature, we choose ten desert species with clear and relatively accurate geographical distribution ranges to model their distributions:Anabasis brevifolia, Atraphaxis frutescens, Calligonum mon-golicum, Ephedra przewalskii, Gymnocarpos przewalskii, Haloxylon ammodendron, Haloxylon persicum, Ka-lidium cuspidatum, Salsola laricifolia, and Sympegma regelii.

:选择面积广阔、地理位置特殊、气候干旱、地形地貌多样、生态系统脆弱以及人类活动长期干扰,而且目前面临着西部大开发和环境保护双重矛盾的西北干旱区作为研究区域,通过收集西北干旱区多种优势种和常见种的地理分布资料,选取10种分布范围相对明确、资料相对齐备的荒漠植物种:短叶假木贼、木蓼(A- traphaxis frutescens)、沙拐枣、膜果麻黄、裸果木、梭梭柴、白梭梭、尖叶盐爪爪、松叶猪毛菜(Salsola lar- icifolia)和合头草,定量分析其地理分布与气候因子的关系,并据此估测其潜在中心分布区和潜在最大分布范围,与实际分布范围进行比较。

New York culture activity: Colombia University, New York University, Status of Liberty Island, Wall Street, World Trade Mall site, U.N Mansion, Rockefeller Center, Times Plaza.

纽约市场文化参观活动:自由女神岛、世界金融中心——华尔街、世贸大厦遗址、联合国总部、洛克非勒中心、繁华的第五大道、时代广场等。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。