OstarCOCA³¹⁵¹¹¹⁺⁴BNC²³⁶²¹³⁺¹ 基本例句 奥斯塔尔 Siemens researchers used Ostar LEDs, one of the brightest LEDs on the market. The lights are modulated at a frequency that allows for high-speed data transfers. 西门子研究人员采用欧司朗公司出品的高功率 LED，并在支持高速数据传输的频率上对这种LED进行调制。 cwnpchina