The border wall built during the Trump administration now stands along roughly 190 miles of Arizona's border with Mexico. • It's 30 feet tall in most places. • Its steel bollards are six inches wide ...
SABIC loses SAR 5.28B in H1 2025, SAR 4.1B in Q2 on one-off provisions 6 M 2025 SABIC swings to net loss of SAR 1.21B in Q1 2025 3 M 2025 SABIC earns SAR 1.54B in 2024, incurs SAR 1.89B loss in Q4 12 ...
Abstract: This brief addresses the leader-follower formation tracking control problem of nonholonomic mobile robots. The topology of the sensor network is described by a directed spanning tree.
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