At the heart of galaxy NGC 6240 astronomers found not one but two black holes, roughly 3, 000 light-years apart and closing on an apparent merger course.

在ngc 6240星系的心脏部位，天文学家发现了不是一个二十两个黑洞，它们之间大约相距3000光年，并且由于一个显而易见的合并过程而逐渐靠近。

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It shows that there are apparent differences in black tourmalines mineral components and chemical elements from their different producing mines.

作者对产自云南马关-麻粟坡矿带、广西钟山八步矿区的黑色电气石进行了矿物组成及化学成分的分析测试。

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The main hall is a stage and a backstage in the same time, bringing together the public and the performers in a black box with all equipments apparent but camouflaged.

运动馆的主厅既是前台也是后台，公众和表演者在这个明显装配着各种器材却又隐藏在深色色调中的方盒子里汇聚到一起。

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Customer-side CEOs in particular are growing increasingly fed up with the apparent black arts of IT operations that require larger and larger budgets without predictably delivering more and more business value.

FORBES: The Top 10 Strategic CIO Issues For 2013

It's one thing for card companies to raise rates on customers who are behind in their payments or whose credit scores decline greatly, but quite another for on-time customers with no apparent black marks against them to be put in the higher-rate camp.

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Some measure of the challenges that await Black are the apparent gap between the best of the charter schools and the run-of-the-mill public schools where too many teachers think of tenure as a sinecure that spares them the need for serious innovation on the educational front.

FORBES: Let Cathie Black Dig Down Deep To Institute Major Education Reforms