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age grade
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  “age grade”译为未确定词的双语例句
     With the increase of age, grade 1 hypertension showed a descending trend (X~2=5.06, P<0.05), but grade 2 and grade 3 hypertension showed, a rising trend (X~2=6.78, 5.12. P<0.05).
     1级高血压随年龄增加而呈下降趋势(X~2=5.06,P<0.05),2,3级高血压随年龄增加而呈上升趋势(X~2=6.78,5.12,P<0.05)。
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     The factors related to the incidence of premarital sexual behavior were age, grade, city, singleton, closely communication with isomerism and more isomerism lovers.
     与大学生婚前性行为发生有关的因素包括年龄大、年级高、城市、独生子女、大学前与异性接触程度较高、爱上异性数量较多等。
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     The reduced expression of nm23 gene had no significant correlation with sex, age, grade and stage of Hardy and Wilson separately.
     (P<0.01,P<0.05)。 nm23基因mRNA表达水平下降与患者的性别、年龄以及Hardy和Wilson分级、分期无显著相关性。
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     Learning ap-proaches of nursing students were not affected by age, grade, and reading newspapers (P<0.05);
     护生的年龄、年级以及是否阅读新闻报刊对学习方式无影响(均P>0.05);
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     To Use Age Grade with Reason during Design Process
     玩具设计应合理使用年龄标称
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  相似匹配句对
     grade.
     级;
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     Then the relation of grade with age, severity was studied.
     研究分级结果与病人年龄、发病年龄、疾病严重度的关系。
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     Depression symptoms were found to differ by age and grade.
     随着年级和年龄的增高,中学生抑郁得分有增加的趋势:女生的抑郁得分在年龄和年级上差异有显著性。
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     It increases with age.
     随年龄增大 ,BPH的发病有增长趋势
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     Guilford's age.
     Guilford以来,从个体层次创造力研究发展到重视团体创造力研究的演变过程。
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  age grade
Through itsperformance, the ritual visually reproduces andrepresents stratified social structures thatconcentrate power in the hands of male members of thesenior age grade.
      
The result is greater economic opportunity for young men of the warrior age grade, while ways for elders to maintain their authority continue to exist.
      
These changes include: (1) an increasingly flexible and informal age grade structure for both men and women and (2) a fundamental shift in the meanings of time and social worth.
      
These elders have assumed many domestic and subsistence supervisory roles left unfilled by junior age grade members who are working for cash in distant urban centers.
      


The spatial theory of forest age-grade and linear programming have been applied to establishing a regulated modle on forest yield. The authors take the forest in Saxian county, Fujian as an object of study where the forests are classified into three main different species-Chinese fir, pine and mixed broad-leaved

本文应用林龄空间理论和线性规划方法,以沙县现实森林为对象,分别按优势树种杉木、松木和杂阔组织三个经营单位(下称作业级)建立森林收获调整模型。

In the study of several tree Plots of Persian walnut (Juglans regia) the tree age is grouped into 7 age-grades: 0-10yr( Ⅰ ), 10-15yr(Ⅱ), 16-20yr(Ⅲ), 21-40yr(Ⅳ), 41-60yr(Ⅴ), 61-90yr(Ⅵ), and >90yr(Ⅶ). It is reported that no significant variations in the yields appear in those trees at( Ⅰ ) and(Ⅱ), indicating a period of vegetative growth at both age-grades whereas the variations in the yields at(Ⅲ), (Ⅳ) and (Ⅴ) are obvious, indicating yield-upgrading periods. The stable high-yielding...

In the study of several tree Plots of Persian walnut (Juglans regia) the tree age is grouped into 7 age-grades: 0-10yr( Ⅰ ), 10-15yr(Ⅱ), 16-20yr(Ⅲ), 21-40yr(Ⅳ), 41-60yr(Ⅴ), 61-90yr(Ⅵ), and >90yr(Ⅶ). It is reported that no significant variations in the yields appear in those trees at( Ⅰ ) and(Ⅱ), indicating a period of vegetative growth at both age-grades whereas the variations in the yields at(Ⅲ), (Ⅳ) and (Ⅴ) are obvious, indicating yield-upgrading periods. The stable high-yielding periods are represented by(Ⅴ), (Ⅵ) and (Ⅶ), of which 80-90 -yr-old trees mark the peak yield period. In addition, a positive linear correlation is presented in the paper between tree age on the one hand and crownwidth, tree height and diameter at foot on the other.

将核桃树龄划分为<10年(Ⅰ)、10—15年(Ⅱ)、16—20年(Ⅲ)、21—40年(Ⅳ)、41—60年(Ⅴ)、61—90年(Ⅵ)、>90年(Ⅶ)7个龄极,Ⅰ、Ⅱ龄级产量变化不大,为营养生长和初果期;Ⅲ、Ⅳ、Ⅴ龄级的产量存在显著差异,属产量迅速增长期;Ⅴ、Ⅵ、Ⅶ龄级为高产稳产期,其中80—90年时,为产量顶峰期。树龄与冠幅、树高、干径均呈极显著的直线正相关。

Describes the present status of oak forest of in Ankang and Hanzhong districts Shaanxi Province and improvement measures suggested. The oak forest covers an area of 0.9167 million hectare and a volume reserve of 51.02 million m3. But it is unevenly distributed and the availability is low. Young growth oak occupy a larger area than other age-grade oak forest, but the grade is poor, and the productivity is low. Overcutting deteriorates the oak forest severely in recent years. Thus every effort...

Describes the present status of oak forest of in Ankang and Hanzhong districts Shaanxi Province and improvement measures suggested. The oak forest covers an area of 0.9167 million hectare and a volume reserve of 51.02 million m3. But it is unevenly distributed and the availability is low. Young growth oak occupy a larger area than other age-grade oak forest, but the grade is poor, and the productivity is low. Overcutting deteriorates the oak forest severely in recent years. Thus every effort should be taken to control the destructive cutting and management measures should be practised to improve the quality of forest and relax the contradiction of supply and demend of oak forest resource.

安康、汉中地区栎林面积91.67万ha,蓄积5102万m~3,占整个有林地面积、蓄积的40~50%。在陕南生态平衡、工农业生产中起着极为重要的作用。现有栎林分布不均,可利用性差,中、幼龄林分比重大,质量不高,生产力低;连续多年超伐,森林蓄积大幅度减少。应采取果断措施,制止当前在栎林资源利用中的失控行为,压缩对栎林的消耗;大力造林和改造次生林,扩大栎林资源面积,提高林分质量;节约资源提高资源利用效益,从根本上缓解栎林供需矛盾。

 
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