????: 2018-11-27 ????:2019-01-27

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C?1????

5?????????????
A?0(???)
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C?1.0?/?
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6????????????????
A???5
B?5~10
C?10~20
D???20

7??????????????????????
A?<50%
B?50~80%
C??80%

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E?????

9??????????????????????:
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