Because internal quality and external quality are not the same things.

因为内部质量和外部质量并不是一回事儿。

youdao

Evaluation of an external quality assessment program for HIV testing in Haiti, 2006-2011.

对2006年到2011年海地HIV检测的一项外部质量评估方案的评价。

youdao

The test laboratory quality control includes internal and external quality control method.

检测实验室质量控制分为内部质量控制和外部质量控制。

youdao

But once they are through that, external quality control ends.

ECONOMIST: Chile

Because our patients are not able to evaluate the quality of their care and external quality metrics are so poor, I wonder if the time might be right to introduce real supervision into medical practice.

FORBES: Guest Post: Is It The Right Time To Introduce Real Supervision Into Medical Practice?

Instead, an external high quality dual-microphone array comes standard with this card.

ENGADGET: Creative reveals Sound Blaster ZxR, Zx, and Z PCI-Express sound cards, pumps up the volume