The osteopenia incidence rate of lumbar vertebrae of each age grade is obviously higher than that of femoral neck (P < 0. 05 ). The incidence of the osteopenia increased with age increasing.
各年龄组腰椎低骨量发生率显著高于股骨颈（P〈0．05），两部位低骨量发生率均随年龄增加而逐渐增加。
三年级(8岁)。
Brazil is among the world champions in grade repetition, with 30% more children in primary school than the total in the 7-14 age group.
巴西的年级重复率挤身于世界前列，其在校小学生的数量竟然比7 - 14岁的儿童总数还多30%。
Starting formal schooling too early — being in first grade before age 6 — is a risk factor for earlier mortality.
过早接受正式教育(6岁以前上一年级)是提前死亡的危险因素。
For Abby, a breakthrough moment came at age 9: She started reading voraciously, and today reads well above the seventh-grade level.
对于Abby来说，突破性进展发生于9岁的时候：她开始狼吞虎咽地阅读起来，到今天，她的阅读能力已经强于7年级的孩子了。
After age five, children go to kindergarten. Elementary school or grade school follows kindergarten and goes from first grade to fifth or sixth grade.
五岁后，孩子就上幼儿园。接着就上小学。小学是从一年级到五年级或者六年级。
Are you really in Grade One? Can you tell me your age?
你真的在一年级吗？你能告诉我你多大了吗？
Our younger son Ben, age six, was murdered in his first grade classroom.
我的小儿子本只有六岁，他在一年级的教室中被杀。
Because of such problems, most highly gifted children are better off if they largely remain in the grade with other children their age.
由于有这些问题，极具天赋的儿童如果主要与其他同龄学童待在同一个年级，处境会更好。
The results indicated: 1)Significant grade differences of teacher-student relationship were demonstrated, but there was no significant difference between gender and age.
研究结果表明：（1）初中生在师生关系知觉上存在显著的年级差异，但并不存在性别和年龄差异；
A detailed and corresponding colour scheme is applied to all interior surfaces and functions as part of the schools educational concept for grade and age identification.
所有的室内表面都采用了细化的相关色彩的粉刷方案，也作为学校针对年级和年龄区分的教育理念的一部分。
After finishing the fifth or sixth grade, at the age of eleven or twelve, students move on to a middle school or junior high school.
读完五年级或六年级后，十一岁或十二岁时，学生进入中学即初级中学。
Both age and sport grade influences the cognition reconstruction coping.
年龄和运动等级共同影响运动员认知重构因子。
To destroy merely still penetrate no and deeply the grade of this age eunuch, look this emperor's city inside return to actually lie a tiger to hide a dragon!
要突破了，却仍然看不透这老太监的等级，看起来这皇城之内还真是卧虎藏龙啊！
We're all of the same age, in the same grade but in different classes.
我们都是同一年龄，在同一年级，都在不同班级。
I'm a girl at the age of twelve and in grade six.
我是一个十二岁的六年级女孩。
The mutations of VHL gene were irrespective of the age and pathological grade and stage of patients.
结论：国人非遗传性肾透明细胞癌中存在VHL基因的突变，且与患者年龄，肿瘤分期、分级无相关性。
Applicants must have completed senior high school with good grade and be under the age of 25, and must pass China's college entrance examination or be exempted from the examination .
申请者应具有相当于中国高级中学毕业的学力，学习成绩优秀，并通过中国大学入学考试或经推荐被中国大学免试录取，年龄在25周岁以下。
It was in this knowledge, at the age of fifteen, that I remember making a comment from the heights of grade two, on the limitations of grade three.
我记得我是在十五岁的时候了解到了这一点后从第二等级的高度对第三等级的局限性作出了一番评论。
If it was up to me, grade levels would be based on height, not age.
要我来说啊，年级应该按身高来划分，而不按年龄。
The expression of HSF1 mRNA and FACL4 mRNA were not associated with the patient's gender, age, tumor size, pathologic grade, pathologic type, as well as level of serum AFP(P>0.05).
但FACL4表达水平与患者的性别，年龄，肿瘤大小，包膜的完整与否，分级，癌栓形成及血清AFP水平未见明显相关性（均P＞0.05）。
Thomas Edison was thrown out of school in forth grade, at about age 10, because he seemed to the teacher to be quite dull and unruly.
托马斯·爱迪生在四年级大约10岁时，被老师认为愚笨倔强，因此把他赶出学校。
The study and test of rolling technology were carried out because the strain-age impact toughness of D grade hull plate could not meet the standard by conventional rolling technology.
针对韶关钢铁集团公司在用常规热轧工艺开发薄规格D级船板时出现应变时效不合问题进行了研究和工业试验。
The study and test of rolling technology were carried out because the strain-age impact toughness of D grade hull plate could not meet the standard by conventional rolling technology.
针对韶关钢铁集团公司在用常规热轧工艺开发薄规格D级船板时出现应变时效不合问题进行了研究和工业试验。
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