Our tax credit system should be perfected and improved.
建立个人税收信用制度；
Should mark adding policy of college entrance exam be perfected or cancelled?
高考加分政策，完善抑或取消？
Consequently, effective health testing system and operation mechanism should be set up and perfected.
建立有效的体质健康测试系统与运行机制，不断完善高校学生体质健康测试系统。
The theory of concrete mix design should also be perfected.
免振捣混凝土的配比设计理论也需要进一步地加以完善。
The theory of concrete mix design should also be perfected.
免振捣混凝土的配比设计理论也需要进一步地加以完善。
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