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中级
1、middle age───n.中年；中年；中世纪
2、grade five───五年级
3、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
4、middle finger───n.中指; 中拇指；[解剖]中指
5、filaments grade───长丝等级
6、grade C───C级
7、ferri middle───费里中间
8、get grade───获得分数
9、middle───n.中间，中央；腰部；adj.中间的，中部的；中级的，中等的
1、"555" product positioning in the moderate and middle-grade product appearance "minimalism" as a basic choice.───“555”产品定位于中档和中高档，产品外观以“简约”为基本选择。
2、The author puts forward that middle grade ore can be made out of Fe-Mn ore of low grade.───在选矿试验的基础上，提出贫、富矿分别处理的原则：低品位铁锰矿可生产中矿；
3、Adding middle grade sintered magnesia powder can enlarge the line ratio and porosity after high temperature treatment.───中档镁砂粉的添加使浇注料高温处理后的线变化率增大和气孔率增加。
4、The adoption of low and middle grade phosphate rocks increases the difficulty for acceptable products.───中低品位磷矿的使用更增加了生产合格产品的难度。
5、All our jewelry is middle-grade stones from Russia, or referred as the celestite-grade gemstones.───我们所有的珠宝是由俄罗斯中高档的宝石制成的，或天青石级别宝石做的。
6、She hopes to soon sell a new middle-grade novel to a traditional house.───她希望不久之后能把一本面向8-12岁读者的新书卖给传统出版社。
7、The thesis is an investigation on the middle-grade elementary students' aesthetic preference of animated cartoon.───本文是对小学中年级学生的动画片审美偏好进行调查。
8、Lower reading achievement scores and grades in fifth grade contributed to reduced grades in middle school and thereby contributed to a 40% lower high school graduation rate.───五年级较低的阅读成绩分数导致中学成绩的下降，进而导致高中毕业率下降40%。
9、Conclusion: KMSHT capsule had low middle grade of genetic toxicity and general reproductive toxicity, but no embryo toxicity.───结论：昆明山海棠胶囊具有低-中度的遗传毒性和一般ShengZhi毒性，而无胚胎毒性。
1、Low and middle grade diatomite purification is of great importance in its industrial use development.
2、Tea quality derived from quartzose sandy stone situates middle grade.
3、We are the enterprise specializing in producing and selling top and middle grade commodity ceram-ics.
4、But with real diamond it contests the chromo for beautiful and polished, so it was usually used as the material of high and middle grade Accessory.