现在在哈佛-史密森天体物理中心的查尔斯·阿尔科克在1979年提出了这个检测，随后普林斯顿大学2007年已故的教授波丹帕钦·斯基随后提出了同样的检测。
The test was proposed in 1979 by Charles Alcock, now at the harvard-smithsonian Center for Astrophysics, and the late Bohdan Paczynski, who was a professor at Princeton until his death in 2007.
波岑认为，除非你将飞行线路计划得十分周密，否则从地球到太阳表面需要的能量，约为从地球到轨道的10倍。
Pontzen reckons that, unless you plan the mission very carefully, you'd need about 10 times more energy for the trip between Earth and the Sun's surface than you'd already spent getting into orbit.
通过深入分析土的固结理论和震动波压密理论，对填土的强夯机理进行了探讨，提出了加固填土的一些观点。
By deeply analyzing soil's consolidation theory and shock wave theory, it discusses dynamic consolidation mechanism of filling-up soil and putting forward some opinions of reinforcing filling-up soil.
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