Recent studies indicated that arsenic trioxide ( ato ) may lead to cancer cells apoptosis via production of intracellular reactive oxygen species ( ros ) .
过去研究指出三氧化二砷能藉由产生活性氧物种(ros)诱发癌细胞发生细胞凋亡。
Being open-source like urbi or player project , all the source code in the ros framework is freely available for other robotics groups to download and use .
ros框架的所有源代码与urbi和“玩家项目”一样是开源的,其他机器人团队可以免费下载和使用。
Passengers were often treated to a " soundclash " the conductor perhaps whistling the latest tommy steele , the driver loudly crooning something upbeat by edmundo ros .