英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
foille查看　foille　在百度字典中的解释百度英翻中〔查看〕
foille查看　foille　在Google字典中的解释Google英翻中〔查看〕
foille查看　foille　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Reflecting telescope - Wikipedia
    The reflecting telescope was invented in the 17th century by Isaac Newton as an alternative to the refracting telescope which, at that time, was a design that suffered from severe chromatic aberration
  • Newtons Reflecting Telescope | History | Research Starters | EBSCO . . .
    The first known reflecting telescope was made by the Italian Jesuit Nicolas Zucchi in about 1616, but it was Newton who made the first reflecting telescope that rivaled refracting telescopes (which use lenses instead of mirrors) Newton had always been good at constructing things
  • Who Invented The Reflecting Telescope? Newtons Story
    Sir Isaac Newton is credited with inventing the reflecting telescope in 1668, though he actually built it a few years earlier around 1666 during his miraculous year at home while Cambridge University was closed due to the plague
  • The Telescope the Scientific Revolution - World History Encyclopedia
    The reflecting telescope, which could be made smaller than a refracting telescope, was invented in 1668 by Isaac Newton This type used a curved mirror made of a tin and copper alloy, which improved the clarity of the image seen by reducing chromatic aberration, that is when all colours fail to converge in a single point (a problem of glass
  • Newton’s Reflecting Telescope | Multiwavelength Astronomy
    Newton was not the only astronomer to think of building a telescope with a mirror, but he was the first to produce a working reflecting telescope His telescope was shown to the Royal Society of London, one of the most distinguished organizations promoting science
  • Reflecting telescope | Britannica
    The reflecting telescope was developed in 1668 by Newton, though John Gregory had independently conceived of an alternative reflector design in 1663 Cassegrain introduced another variation of the reflector in 1672
  • 1672 Newton Premiers Reflecting Telescope - Historycentral
    In 1672, Isaac Newton presented his groundbreaking reflecting telescope to the Royal Society in England, marking a significant achievement in both astronomy and optical science
  • The Newton reflector - Telescope Optics
    First reflecting telescope was probably built by Niccolo Zucchi in 1616, but Newton was the first to introduce the diagonal flat - a simple solution his predecessors failed to see
  • The Early Reflecting Telescope:Cassegrain and Mersenne
    Isaac Newton is considered the inventor of the reflecting telescope because his design was supposedly practical, but it wasn't practical when compared with refracting telescopes of the day Newton discontinued his foray into telescopes after his second prototype
  • Reflecting Telescope invented by Issac Newton in year 1668
    Sir Isaac Newton, an English physicist, mathematician and astronomer invented the reflecting telescope in 1668 This was in response to the chromatic aberration (rainbow halo) problem that plagued refractors during his time





中文字典-英文字典  2005-2009