英国萨瑞卫星技术公司研制的“快照-1”(SNAP-1)是一颗重6公斤的纳米卫星,用于验证超小型卫星为宇航员和地面控制系统提供从外部观测在轨航天器的能力,2000年6月底,它与“清华...
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Additional details on the DB2 database system monitor can be found in the following articles: " Performance Monitoring, Part 1: It's a Snap(shot)" and " Performance Monitoring, Part 2."
有关 DB2 数据库系统监视的更多详细信息可以在以下文章中找到:“ Performance Monitoring, Part 1:It's a Snap(shot)”和“ Performance Monitoring, Part 2”。
A piston and scraper assembly (26) for a high-pressure liquid chromatography column (1) is provided with a snap lock between the piston (5) and the scraper (25).
本发明涉及一种用于高压液体色谱柱(1)的活塞和刮刀装置(26),其中在活塞(5)和刮刀(25)之间设有搭锁。
Snap test: Pull the lower eyelid downward and assess how long it takes to return to a normal position. A return of less than 1 second is normal.
测试: 向下方牵拉下睑,评价其回复至原位所需要的时间,正常的小于一秒。
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