Master basic subject test skills, for example titration, weighing materials, electrophoresis, Gram staining and sub-culture etc.

良好的专业实验技能，例如滴定操作、称量、电泳、革兰氏染色、划线培养等。

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From the informal subject test and object test, it is showed that the reconstructed speech sound is clear and natural, achieving a high quality.

经非正式主观测试和客观测试，表明此实现的重建语音清晰自然，质量较高。

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This article analyzed problems of security and defense in subject test lib and then put forward a security and defense system of subject test lib, and proved security of this system.

文章针对学科试题库安全与保密问题，提出了适用于学科试题库的安全保密系统，并证明了该系统的安全性。

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This article analyzed problems of security and defense in subject test lib and then put forward a security and defense system of subject test lib, and proved security of this system.

文章针对学科试题库安全与保密问题，提出了适用于学科试题库的安全保密系统，并证明了该系统的安全性。

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