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等级证书
1、grade───n.年级；等级；成绩；级别；阶段；vi.分等级；逐渐变化；n.(Grade)人名；(英)格雷德；(法、德、西、葡、塞、瑞典)格拉德；vt.评分；把…分等级
2、certificate───v.发给证明书，用证书证明；n.证书；文凭，合格证书；电影放映许可证
3、fumigation certificate───n.熏蒸证书; 熏舱证书；熏蒸证明书
4、sanitary certificate───n.卫生证明书
5、vaccination certificate───预防接种证书；检疫证明书
6、gift certificate───礼品券；n.礼券
7、certificate frames───证书框架
8、veterinary certificate───兽医证明书
9、dispatching certificate───调度证书
1、Article 34 a construction supervision unit shall undertake the business within the scope defined for its qualification grade certificate.───第三十四条工程监理单位应当在其资质等级许可的监理范围内，承担工程监理业务。
2、No construction enterprise may undertake a project beyond its business scope allowed for its qualification grade certificate or do so in the name of another construction enterprise in any form.───禁止建筑施工企业超越本企业资质等级许可的业务范围或者以任何形式用其他建筑施工企业的名义承揽工程。
3、National and in general use common speech level test grade certificate( a class second grade)───全国通用普通话水平测试等级证书（一级乙等）
4、Article 10 Upon successful completion of coursework, students will be awarded a credit or grade certificate.───修课者经评量及格，得比照本地生于课程结束后申请核发学分或成绩证明。
5、Article 34 A construction supervision unit shall undertake the business within the scope defined for its qualification grade certificate.───第三十四条工程监理单位应当在其资质等级许可的监理范围内，承担工程监理业务。
6、Grade certificate: Demonstrate an GPA or overall grade that meets the selecting criterion for the major of Dentistry.───成绩证明书：应可检视GPA值或成绩总平均是否达本系规定之入学标准。
7、The first drawer put many book classification, The second drawer full of 8, 000 yuan I, The third drawer me one to four grade certificate.───第一个抽屉里分类放着许多的本子；第二个抽屉里装满了我存的八千元钱；
8、I know in playing music instrument to obtain a tenth grade certificate is rather difficult.───但我知道在演奏乐器方面要获得一个十级证书是相当难的。