Objective To Validte the Yeliabil of left ventricle ejection fraction ( LEF ) measured by reconstructed impedance cardiography ( RICG ).

目的验证重建心阻抗图测量左室射血分数 ( LEF ) 的可靠性.

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The link equipment failure procedure ( LEF ) operation detects link failures and notifies concerned parties about them.

链路设备故障过程 ( LEF ) 操作检测链路故障并通知与之有关的各方.

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To recall the memories lef them touch Note Any Note shall work in this situation.

想挽回记忆只要碰以下笔记就行了,不管是谁的笔记都有效果.

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