Aero pitot-static pressure system tester has direct effects on the airtightness of the air - borne pitot - static pressure system and the accuracy of meter reading.
全静压系统检查仪对飞机上该系统的气密性与仪表指示的准确性有直接影响。
As we considered the limit from platform and operating system, there's no DBMS included. On the contrary, we use direct database reading and writing.
数据备份功能涉及到后台数据库操作，考虑到平台硬件和操作系统特性，系统没有采用DBMS，而是直接读写数据库文件。
Optical Reading Direct Input System?
光学读物直接输入系统ORDIS ？
Optical Reading Direct Input System?
光学读物直接输入系统ORDIS ？
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