A.
The gyroscope will become stable before less than 15 seconds.
B.
The gyroscope will become stable for at least 15 seconds.
C.
After about 15 seconds, the gyroscope will become stable.答案:C1013The information to be included on the cover will be left to the manufacturer's discretion.A. 制造商决定将封面上的信息标示在左侧B:制造商将封面信息作为指引在左侧列出C. 封面上包含的信息将由制造商自行决定