Conclusion EGCG induces apoptosis of BGC823 cells via activating mitochondrial signal transduction pathway.

结论EGCG通过活化线粒体信号传导途径诱导BGC823细胞凋亡。

youdao

Signal unit initial alignment - invokes initial alignment prior to activating or restoring a signaling link.

信令单元初始定位——在激活或恢复信令链路之前调用初始定位。

youdao

A lifebuoy is provided with self-igniting light and self-activating smoke signal which is available for use by dayand at night and to be equally distributed on both sides of the ship.

用途：该信号能提供自亮灯和自发烟雾信号供白昼和黑夜使用并相等地分布在船舶两舷。

youdao

Sherman thought he was sending an SOS signal to the world by activating an "epirb" -- short for emergency position indicating radiobeacon -- which is a satellite-connecting beacon that resembles a floatable walkie-talkie.

CNN: Shipwreck survivor recounts drama on high seas

Prof Edgerton speculated that "we are activating the spinal cord to a critical level" close to the level which would trigger movement, and a small signal from "the brain pushes it over" leading to movement.

BBC: Paralysed rats 'learn to walk'