1. They simply think science is too difficult for lower-grade students younger than ten years old.
他们想当然地认为科学对不足10岁的儿童太难了。
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2. The reciprocating-grade is generally adapted in burning lower-grade coals, but its grade bars are frequently damaged by burning.
往复炉排能适应低热值煤的燃烧，但是炉排片经常烧损。
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3. Most of the bottles Closed Loop is currently recycling would otherwise have been shipped to China to be transformed into lower-grade plastic for cheap hard hats, artificial fleeces and the like.
4. By fifth grade, children with early attention difficulties had lowergrades and reading achievement scores than their peers.
五年级时，早期存在注意力障碍的儿童取得的学习成绩和阅读成绩，都低于同龄儿童。
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5. 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.
五年级学生的阅读成绩分数较低，导致其进入中学后成绩下降，进而导致高中毕业率下降40%。
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6. The biggest benefit of being a captain is that it teaches me to be responsible and set an example for lower grade students.
作为一个队长最大的好处是它教会我要负责任，并为低年级学生树立榜样。
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7. Those in the control group not only didn't see a grade increase, they had lowergrades than the grading before the study began.
对照组的学生不仅成绩没有提高，而且比研究开始前的成绩还要低。
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8. Children not as liked by their first-grade peers had slightly lowergrades in fifth grade, while those with higher social acceptance had higher grades.
在一年级时不太受同伴欢迎的孩子，读五年级时的成绩略低，而社交接受度较高的孩子会取得更好的成绩。
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9. Because of her "improvement" theory, I got a lowergrade than I deserve.
因为她的“进步”理论，我得到了比我应得的更低的分数。
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10. There is clearly a restructuring of the market underway, with tremendous expansion into newly emerging higher quality areas in Kowloon East and other areas once considered remote or lowergrade.
11. For instance, children in third grade who had televisions in their bedrooms — and therefore watched more TV — scored lower on standardized tests than those who did not have sets in their rooms.
12. Companies that make low-salt pasta sauces improve the taste with vine-ripened tomatoes and fresh herbs that cost more than dried spices and lower grade tomatoes.
做低盐意大利面酱汁的公司用比干香料和低级番茄成本更高的在蔓藤上自然成熟的番茄和新鲜香草来提味。
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13. Another underlying cause has been the drop in global spot prices and freight rates, which has driven many domestic miners of lowergrade ore out of business.
另一个根本原因是全球铁矿石现价和海运费的降低，导致很多国内出产低品质铁矿石的矿厂歇业。
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14. Nonparticipation, or not being there, that will lower your participation grade.
不参与，或是不出勤，那将会扣分。
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15. They're remarkably comfortable. By the way, Mr. Smith, isn't there room in your market for lowergrade shoes?
这种鞋穿着非常舒服。顺便问一下，史密斯先生，比较低档的鞋在你们那里有销路吗？
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16. As cars passed him on the right, Gonzales shifted to a lower gear to make it up the steep grade ahead.
当轿车从他的右边开过，Gonzales将档位调低来爬上前头的斜坡。
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17. Table 1 Resource gradients division of soil factors. The same values in adjacent grades are assigned to the lowergrade.
表1土壤因子梯度等级划分。相邻等级中相同的值划入低等级。
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18. Another study found that the happiest college students were also the most social, but they had lowergrade-point averages than their slightly less happy peers.
另一项研究表明极端快乐的大学生也同样最有社会性，但是他们的平均成绩也低于快乐程度稍低的学生。
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19. Given the risks in the medical field, AQL is much lower for medical-grade gloves.
考虑到医疗领域的风险，医疗级手套的AQL值会很低。
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20. Compaction complex foundation treatment may obviously improve engineering geology condition of building site, raise bearing capacity, and lowergrade of liquefaction.
挤密型复合地基处理，可以明显改善建筑场地的工程地质性能，提高承载力，降低液化等级。
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21. If you perform poorly in these exams then we may predict you a lowergrade than you are able to achieve in the external exams.
如果你们不认真对待模考，那么我们给出的预测成绩就会比你们在国际考试的实际成绩要低。
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22. Results There were 7 cases with anaplastic astrocytoma, 3 cases with glioblastoma multiforme, 1 cases with oligodendroglioma, 1 cases with lower grade glioma.
结果间变性星形细胞瘤7例，多形性胶质母细胞瘤3例，少突胶质瘤1例，低级别胶质瘤1例。
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23. The oxidized ore with a lowergrade of gold contains a little sulfide.
某低品位氧化型金矿石含有少量硫化物。
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24. The same values in adjacent grades are assigned to the lowergrade.
相邻等级中相同的值划入低等级。
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25. The teaching engagement is a question which the lower grade student of university and teacher must face.
教学衔接是大学低年级的学生、老师必须面对的问题。
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26. Due to the complexity and lowergrade of resource, the comprehensive utilization of titanium is only 14.5%.
因钒钛磁铁矿资源组成复杂、品位低、钙镁含量高、难选冶，钛资源综合利用率仅为14.5%。
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27. Lower grade staff are also supplied with basic uniforms.
给低级职员也应配备基本制服。
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28. Lower grade staff are also supplied with basic uniforms.
