Figure skating is graded on a()point scale
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inline Speed skating race can be divided into track and road , the road track must be open.
Mass start race: a race in which the group starts and the place is decided according to the time. On the track or road, the number of participants is limited
Points elimination is the elimination of points at a certain number of laps for the leading athlete, after the elimination of the lagging athlete
When αM(L)=1
A. There is no side effect between M and L
B. The side effects of M and L are quite severe
C. M has a smaller side effect
D. [M]=[L]