AFP: Palau President Surangel Whipps Jr. has called the presence of Chinese research vessels in its economic zone a violation of its sovereignty, saying it has raised flags, but China keeps sending these vessels. So ...
Propeller refers to the complete mechanical or electrical propeller, pumps, motors, generators, and those engine components used to control the propeller blade angel. C. Propeller refers to the complete mechanical or electrical propeller, pumps, motors, alternators, and those engine components us...
an estimated twomillion american children, one source says, are taught in their own homesinstead of going to regular schools. the number of support groups, magazines andother resources for home-schooling families is also on the rise. beingcomparatively rare cases in china, home schooling is repea...
图1 球场的SAR图像Fig.1 SAR image of Angel Stadium 3 仿真与实测数据处理 本节将利用仿真实验和实测数据处理实验验证本文方法的性能。使用的实测数据为Envisat自2003年10月至2007年11月间获得的20轨ASAR数据,成像目标选定为美国的安那罕天使球场(Angel Stadium of Anaheim,北纬33°48'0.11″,西经117°52'58.85″...