On 13 November 2007, Gray released a Greatest Hits album which includes many of his best known songs as well as two new songs, including the lead single "You're the World to Me."
2007年12月13日，Gray发行了Greatest Hits，其中包括了他很多耳熟能详的歌曲，也包括了两首新歌，其中包括首打单曲You'rethe World to Me。
Researched the reason why PV interpolation may lead to wrong registration, and suggested to reduce gray levels to avoid the problem.
研究了PV插值法导致错误配准的原因，提出了通过调整灰度级数来避免。
It introduces the method to measure the length of black lead in gray cast iron by digital graphics technology. The strip black lead can be classified.
介绍了一种利用数字图像处理技术进行灰铁金相石墨测长的方法，用于检测灰口铸铁金相中的条状石墨长度，并对其进行分级。
Ronald Gray of Johns Hopkins was a lead investigator.
霍普金斯大学的罗纳德是牵头研究研究员。
Ronald Gray of Johns Hopkins was a lead investigator.
霍普金斯大学的罗纳德是牵头研究研究员。
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