The external fuel tank for the space shuttleDiscovery undergoes examination in the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida on December 23.
12月23日,发现号航天飞机的外燃料箱正在NASA位于佛罗里达的肯尼迪航天中心的装配大楼接受检查。
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Objective: Through the external quality assessment for ALT, investigate the national level of examination with ALT, standardize the examination method and improve the testing Quality in blood banks.
The state planning commission and the People's Bank of China will conduct external supervision by the means of both annual check-up and irregular selective examination.