But rock art also has a practical value for researchers and let's start by considering why that is.
但岩石艺术对研究人员来说也有实用价值，让我们先来看看为什么会那样。
The method has a practical value, and it can improve the flexibility of database programmer and meets the special need of users.
该方法在开发VB.NET数据库应用程序中具有实用价值，可以提高数据库程序灵活性和满足特殊用户的需求。
The new curtain series has a practical value as well as has enjoyment effect of mural, so it's a best choice of as top grade decoration.
它既具有窗帘的实用价值，又极具壁画的观赏效果。不失为一种高档装修的最佳选择。
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