By "headquarters" give out "instruction" mix next time is ordinal to atrium and ventricle passing by certain order, stimulate a heart corresponding place generation is excited.
由“司令部”发出的“指令”按一定的顺序和时间依次下传到心房和心室，激发心脏相应的部位产生激动。
2
Please according to use instruction strictly, Do not mix reagents with those from other lots.