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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Dear colleagues,</span>
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<span style="font-size:10.5pt;font-family:"Arial",sans-serif">Since the Digital Earth concept was proposed in 1998, more than 20 years have passed with a lot of achievements and changes. To better understand the current status of Digital Earth and its development
 trend, the International Society for Digital Earth (ISDE) is now going to conduct a survey on "Digital Earth Vision Towards 2030".</span>
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<span style="font-size:10.5pt;font-family:"Arial",sans-serif">This survey will take you no more than 10 minutes to complete, but your answers will be very helpful in improving people's
<span style="background:white">understanding</span> of Digital Earth. Please click the survey link
<a href="https://www.surveymonkey.com/r/DT7VGWQ" target="_blank"><strong><span style="font-family:"Arial",sans-serif;color:#337fe5">https://www.surveymonkey.com/r/DT7VGWQ</span></strong></a> and complete the questionnaire online.
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<span style="font-size:10.5pt;font-family:"Arial",sans-serif"> </span> <u></u><u></u></p>
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<span style="font-size:10.5pt;font-family:"Arial",sans-serif">Please also feel free to forward this
<span style="background:white">survey link</span> to anyone who may be interested. </span>
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<span style="font-size:10.5pt;font-family:"Arial",sans-serif">Thank you. </span> <u></u>
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<span style="font-size:10.5pt;font-family:"Arial",sans-serif">Best regards,</span>
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<span style="font-size:10.5pt;font-family:"Arial",sans-serif">Zhen Liu</span> <br>
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<p class="MsoNormal" style="line-height:15.75pt;background:white"><strong><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">Zhen LIU</span></strong><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">, Ph.D</span><span lang="EN-US" style="font-size:10.5pt;font-family:"Tahoma",sans-serif"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">Executive Director, International Society for Digital Earth (ISDE)</span><span lang="EN-US" style="font-size:10.5pt;font-family:"Tahoma",sans-serif"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences</span><span lang="EN-US" style="font-size:10.5pt;font-family:"Tahoma",sans-serif"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">No.9 Dengzhuang South Road, Haidian District, Beijing, 100094 China</span><span lang="EN-US" style="font-size:10.5pt;font-family:"Tahoma",sans-serif"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">Email:
</span><span style="font-size:9.0pt;font-family:"Verdana",sans-serif"><a href="mailto:liuzhen@radi.ac.cn" target="_blank"><span lang="EN-US" style="color:#0066cc">liuzhen@radi.ac.cn</span></a></span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">;
</span><span style="font-size:9.0pt;font-family:"Verdana",sans-serif"><a href="mailto:liuzhen@aircas.ac.cn" target="_blank"><span lang="EN-US" style="color:#0066cc">liuzhen@aircas.ac.cn</span></a></span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">
  Tel.: 86-10-82178902</span><span lang="EN-US" style="font-size:10.5pt;font-family:"Tahoma",sans-serif"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">ISDE :
</span><span style="font-size:9.0pt;font-family:"Verdana",sans-serif"><a href="http://www.digitalearth-isde.org" target="_blank"><span lang="EN-US">http://www.digitalearth-isde.org</span></a></span><span lang="EN-US" style="font-size:10.5pt;font-family:"Tahoma",sans-serif"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">IJDE :
</span><span style="font-size:9.0pt;font-family:"Verdana",sans-serif"><a href="http://www.tandfonline.com/toc/tjde20/current" target="_blank"><span lang="EN-US">http://www.tandfonline.com/toc/tjde20/current</span></a></span><span lang="EN-US" style="font-size:10.5pt;font-family:"Tahoma",sans-serif"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">BED :
</span><span style="font-size:9.0pt;font-family:"Verdana",sans-serif"><a href="https://www.tandfonline.com/tbed" target="_blank"><span lang="EN-US">https://www.tandfonline.com/tbed</span></a></span><span lang="EN-US" style="font-size:10.5pt;font-family:"Tahoma",sans-serif"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Verdana",sans-serif">Manual of Digital Earth (Open Access):
</span><span style="font-size:9.0pt;font-family:"Verdana",sans-serif"><a href="https://link.springer.com/book/10.1007/978-981-32-9915-3" target="_blank"><span lang="EN-US">https://link.springer.com/book/10.1007/978-981-32-9915-3</span></a></span><span lang="EN-US" style="font-size:10.0pt;font-family:"Microsoft YaHei",sans-serif"><u></u><u></u></span></p>
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