定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
定义：a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence
