n.简易地震计
Based on the literature review, the design requirements of Zhang Heng's seismoscope are defined and concluded. 本研究针对具绳索与滑轮之失传张衡地动仪进行机构的拓朴构造合成。
The earliest seismoscope was invented by the Chinese philosopher Chang Heng in A.D. 132. 答：最早的测震仪器是由中国学者张衡于公元132年发明的。
This work synthesizes the topological structures for the lost Zhang Heng's seismoscope, which was invented in ancient China in 132 A. 摘要张衡地动仪建构于西元132年的古中国。
The instrument is reported to have detected an earthquake 400 miles away that was not felt at the location of the seismoscope. 据记载，该仪器曾探测到400里以外发生的地震，而在仪器所在地并没有感受到该地震。
They would have been taught, and proudly, that almost 2,000 years ago an astronomer named Chang Heng invented the world’s first seismoscope. 他们应该被骄傲地告知，大约在2000年前，一位叫张衡的天文学家发明了世界上第一个地震仪。
