Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[89];
    Float64 /longitude[117];
    Float64 /longitude_time[117];
    Float64 /latitude[89];
    Float32 /depth[196];
    Float64 /depth_time[196];
} cell-Normal.nc4;