这种存取方法会在测试期间，对于资料表中的资料执行迴圈。
This access method will loop through data in a table throughout the duration of a test.
其中一个实例（在NHTSA 撞击测试己经测试）亦有加速表、迴转仪、和其他感应器测量废气、燃油里数…等资料。
One of the units (being tested for use in NHTSA crash studies) also has accelerometers, gyros, and other onboard sensors to measure emissions, fuel mileage, etc.
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