美国3月扣除国防的工厂订单月率 4.8%，前值0.5%。

Group 1 - The core point of the article highlights that U.S. factory orders excluding defense increased by 4.8% in March, significantly up from the previous value of 0.5% [1] Group 2 - The increase in factory orders suggests a robust growth in the manufacturing sector, indicating potential positive trends for related industries [1] - The substantial rise in orders may reflect increased demand and confidence in the economy, which could lead to further investments in manufacturing capabilities [1] - This data point could influence market expectations and economic forecasts, particularly in sectors reliant on manufacturing output [1]