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s-a meaning in English

[=semiannual]半年一次的,一年两次的

Examples

  1. the s-a node is often called the pacemaker of the heart because it establishes the basic rhythm at which the heart beats .
    S-A结由于建立了心跳的基本节律，故常称为起搏点。

Related Words

  1. s-94
  2. s-9490
  3. s-a-0 fault
  4. s-a-c
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