Its practicability has also been discussed.
并对其实用性进行讨论。
Its practicability has been proved by experiments on lakes and seas.
经湖试和海试，系统的可行性得到了初步的验证。
But with the quick development of the high data communication technique, its practicability will be very promising.
但是随着高速数据网络通讯技术的飞速发展，其实用性在未来是很有前途的。
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