MACAO, June 20 (Xinhua) -- China's Macao Special Administrative Region (SAR) welcomed 3,372,081 visitors in May 2025, marking a year-on-year increase of 25.3 percent, according to data released by the ...

ISLAMABAD, June 20 (Xinhua) -- Pakistan's textile exports surged by 7.37 percent in the first 11 months of the current fiscal year 2024-2025, compared to the same period of the last fiscal year, the ...

本文将全面概述扬声器在音频设计中的使用，包括其基本操作、关键规格、设计注意事项、锥体和磁铁类型等等，以及Same Sky所推出的扬声器产品特性。 扬声器的运作原理与技术规格 扬声器的声音产生涉及电磁和机械运动之间的精确相互作用。它始于电信号 ...