查询词典 grade

Adopt high grade alloy with case-hardened technology for gears and pinions.

采用CAD/CAM设计制造，保证质量的稳定性。

The results showed that plant height increasing speed was significantly slow at the former and middle stage when K level was above 180 kg/hm2.On the contrary,the height of case-hardened plant improved markedly.When the K level was above 135 kg/hm2,the stem girth and maximal leaf area differed significantly as compared with CK,so did LAI.Yield and product value per unit area took the first place when 180 kg/hm2 potassium was used.Average price and proportion of middle and first grade tobacco leaf of 225 kg/hm2 potassium treatment were the highest as compared with other treatments and CK.Four economic characters of the two treatments differed at obvious significant level as companied with CK.The total sugar and K2O were increased,nicotine, total N,protein and Cl- were decreased with increased K levels.The potassium lacked symptom was alleviated with increased K levels,no symptoms was observed when 180 kg/hm2 potassium was used,the degree of weather infected fleck was decreased when the K levels was increased.

结果表明，在烟株生长前中期，当施钾量达到180 kg/hm2以上时，株高增长显著变慢，而定型株高则显著增高；茎围和最大叶的面积在施用135 kg/hm2以上的处理与CK之间的差异性达到极显著水平，叶面积指数也存在显著差异；单位面积产量和产值以施用180 kg/hm2的处理居首位，中上等烟比例和均价以施用225kg/hm2的处理最高，这两种处理的以上4个经济性状与CK之间存在极显著性差异；烟叶中的总糖和K2O含量随施钾量的增加而上升，烟碱、总氮、蛋白质和C-含量则下降；缺钾症状随施钾量增加而减轻，至施用180kg/hm2时已无缺钾症状；烟叶气候斑的发生程度也随施钾水平的提高而减轻。

Objective To study the status of knowledge, belief and behavior on tobacco and health among primary school students and to provide evidence for effectively developing adolescent's smoking cassation activities. Methods The questionnaire survey was carried out among the pupils in grade 3-5 from 15 primary schools in Beijing, Shanghai, Tianjin, Shenzhen, Puyang and Changsha.

目的 了解青少年烟草与健康相关知识、信念及行现状，为有效开展青少年控烟活动提供事实依据方法对北京、上海、天津、深圳、濮阳、长沙6所城市随机抽取的15所小学三～五年级学生进行统问卷调查。

And for general construction gaps and voids. Metacaulk 1200 Caulk Grade us a water based, non-sag sealant that is easy to apply.

Metacaulk 1200 是水基性乳状遇热膨胀型密封剂，专门设计可用来喷洒施工，以提供快速经济的长间隙施工。

Metacaulk 1200 Caulk Grade systems are rated for up to 3 hour conditions in accordance with the UL 2079 (Tests for Fire Resistance of Building Joint Systems) Test Standards.

Metacaulk 1200 根据 ASTM E814(UL1479)标准测试具有2小时阻火时效，UL2079 标准测试具有3小时阻火时效。

Metacaulk 1200 Caulk Grade is a single component, general purpose fire rated sealant for construction joints such as top of the wall, curtain wall perimeter, expansion, control, etc.

Metacaulk 1200 是单一成分的针对建筑间隙，例如墙顶、帷幕墙周围、周边、伸缩缝等等及一般建筑裂缝和缺口的阻火密封剂。

Construction Protection: taking corresponding anti-corrosion measures to the workshop ground and component surface, according to the category, characteristics of antisepticise medium and the causticity grade of the construction materials.

建筑防护：厂房地面、构件表面根据腐蚀性介质的类别、性质、浓度以及对建筑结构材料的腐蚀性等级条件采取相应的防腐蚀措施。

With ceaseless horizontal the whole world mass sum grade renewal,the international standard ceaselessness improves.

随着全球质量水平的和档次的不断更新，国际标准的不断提高。

In the third grade, he became interested in music theory and also started cello lessons.

在三年级，他对音乐产生了兴趣理论也开始学习大提琴。

Most schools in china adopt centesimal system,with 60 as the passing grade.

中国多数学校采用百分制，六十分为及格。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。