当代美术教育还有许多不完善的地方，如学院美术教育内部体制的紊乱和价值取向的迷失等。

In the contemporary art education, there are still many aspects which need to be improved, such as the improper educational system and the loss of values.

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结果表明，造成碳纤维力学性能低的直接原因可以归结为严重的皮芯结构、芯部组织疏松或有孔洞出现、晶相少且无明显取向、石墨层排列紊乱。

The results demonstrate that the carbon fibers which have serious skin-core structure, few graphite layers which intricately piled up have low mechanical properties.

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