求翻译：关于食堂整体卫生调查满意程度显示：50%的学生认为饭堂卫生有待进一步改进，30%的学生认为一般，10%的学生认为满意，10%的学生认为很差是什么意思？

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canteen on overall health survey revealed that 50 per cent level of satisfaction of the students believe that canteen sanitation needs to be further improved, and 30 percent of the students believe that in general, and 10 per cent of the students felt that satisfaction, and 10 per cent of the studen

Demonstrated about cafeteria overall sanitary survey satisfaction that,50% student thought the dining hall health pending further improves, 30% student think general, 10% student think satisfaction, 10% student think very badly

Canteen overall satisfaction of the health survey shows: 50% health students see canteens to be further improved, 30% students see generally, 10% the satisfaction of students, 10% of the students think is poor

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