From the sa node, electrical impulses spread through the heart muscle to trigger the heartbeat . 從竇房石結出來的電脈沖傳播到心臟肌肉觸發心臟跳動。
This is particularly important when the conducting tissues between the sa node and the ventricles fail only from time to time . 尤其在竇房結和心房之間的傳導組織有時發生故障時這點尤為重要。
An "atrially triggered" pacemaker can pick up the signals directly from the sa node and strengthen them before passing them to the ventricles . 一種“心房觸發式心博器”就能從竇房結直接接收這種信號,并在傳送到心房去之前還能將這種信號進行放大。
It ' s about six kids who conspire to steal the sa t answers 是有關6個孩子策劃偷sat答案的
She passed the sa * * ey gardens with little snow - white feet 她穿越莎莉花園,以雪白的小腳。
Do . the sas are absolutely charming 想想吧,我們的部隊已經準備好了
Securities association of china , the sa 中國證券業協會
Could the sas approach work in other high technology organizations Sas公司的作法也能運用在其他科技公司上嗎
The sas serious is specially made for military or camping purpose 瑞德爾sas系列是專為軍用或野營度假用而設計的帳篷。
Meanwhile , practices were suggested for the sa ' inized soil control reasonably 同時為鹽漬土的治理提供了合理化建議。