根据多线蜗杆在轴向个圆周上等距分布的特点，分线方法有轴向分线法和（）分线法两种。
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轴系找中大都采用百分表为测量工具，只有在百分表绕轴颈旋转（）时，才采用塞尺测量。
A. 有径向跳动
B. 有端面摆动
C. 不能通过
On a Cisco Aironet 1130 Series autonomous access point， the status indicator is blinking dark blue. What does this indicate？（）
A. The access point is booting.
B. A firmware upgrade is in progress.
C. The internal radio has failed.
D. An access point buffer overflow is occurring.
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