看看有人能看懂不反重力论文。与现在的反重力
技术：实施
和理论基础
F.E. Alzofon，波音航空航天公司
Co，西雅图，华盛顿州Anti-Gravity with Present
Technology: Implementation
and Theoretical Foundation
F.E. Alzofon, Boeing Aerospace
Co, Seattle, WAo It is shown that mass quanti zation in the
the gravi ta
一种视觉导航的里程碑文献，描述了场景匹配的评价方式。Kendoul: Survey of advances in GNC of ruAs 317
for launch and recovery. These three categories are domi- Finally, discussions and conclusions about published pa-
nated by conventional helicopter configurations with a sin- pe
