NIST

NIST scientists use lasers that emit about 1 billion pulses per second.

NIST的科学家们用激光器每秒发射约十亿次脉冲.

——期刊摘选

Currently, most customers either send or hand carry artifacts to NIST for calibration.

现在, 多数客户要么邮寄要么随身携带制造品去NIST校准.

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NIST kicked off the selection process in September 1997.

NIST在1997年9月开始这个选择过程.

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