微信自媒体的特征是什么?
A. 内容人格化
B. 中心化
C. 病毒性传播
D. 互动性强
_______ is the identifying code for a specific automobile.
The VIN serves as the car's fingerprint, as no two vehicles in operation have the ____ VIN.
A VIN is composed of _____ characters that act as a unique identifier for the vehicle.
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