In this case, a valid date would be something like 03-03-2009, meaning March 3, 2009.
在本例中，有效的日期应该类似于03-03-2009，表示2009年3月3日。
You have to specify a valid date.
你必须指定一个有效的日期。
In order to ensure the quality of emergency drugs and avoid the overdue drugs, we improved the check method of valid date for emergency drugs.
为确保抢救药品质量，避免过期失效，对抢救药品有效期的检查方法进行改进；
In order to ensure the quality of emergency drugs and avoid the overdue drugs, we improved the check method of valid date for emergency drugs.
为确保抢救药品质量，避免过期失效，对抢救药品有效期的检查方法进行改进；
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