The experimental results showed that both the circumferential and axial stresses around the cross section varied in a similar "W" shape, but the former was larger than the latter in absolute valume.

Numerical study on the fire stability of the axial-compression cross-section column of reinforced concrete

钢筋混凝土十字形轴压柱耐火性能的数值模拟研究

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The phenomenon of longitudinal fission seldom occurred during the process of tube plug drawing mill compared with empty-sunken steel tube. The problem which seldom cause transverse fissure in form of partial failure owing to uniform distribution of axial stress in cross section.

与空拔相比较，在短芯棒拔制过程中，纵裂现象一般不会发生，由于钢管轴向应力在横截面上分布均匀，一般也不会出现以局部破坏形式出现的横裂现象。

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To China, cross-country car culture is pure bull-puncher culture anything but.

对于中国而言，越野车文化决不是单纯的牛仔文化。

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Albert: In Sweden, I go cross-country skiing.

艾伯特：在瑞典，我进行越野滑雪运动。

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We took several thermoses of hot coffee to drink when we went cross-country skiing.

我们去越野滑雪时带了几保温瓶备用的热咖啡。

provided by jukuu

It's a physically demanding sport that combines cross-country skiing with precision shooting.

这是一项结合了越野滑雪和精度射击对体力要求很高的运动。

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With the training methods and means of constant change, cross-country skiing athletic performance has been greatly improved.

随着运动训练方法和手段的不断变革，越野滑雪的运动成绩也有了很大的提高。

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Therefore, it is characteristic of cross-country skiing has been in-depth understanding.

因此，人们对越野滑雪项目特征的认识有了不断的深入。

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Anaerobic capabilities will undoubtedly promote the improvement of cross-country skiing performance.

无氧运动能力的提高无疑会促进越野滑雪成绩的改善。

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Time now for a quick trip "Cross Country" for a check of the stories that our affiliates are covering.

现在又到了快速游遍国家栏目版块，让我们来看看我们的附属机构所发生的故事。

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Puyol was the next to go close for Spain after he headed Andres Iniesta's powerful cross over the bar.

紧接着普约尔将伊涅斯塔强有力的交叉躲闪突破传球顶在了横杆上。

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There is to be no shooting unless they cross the trip wire.

他们越过警戒线就开枪。

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there's a croquet mallet under my bed.

我床底下有个长柄木槌

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In the poor soil, 1/ 3 of total amount of N in annual pulse crops comes from it and 2/ 3 from the air.

在瘠薄的土壤上，一年生豆类作物植株总氮量约1/3来自土壤，2/3来自空气；

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N fixing Capacity and After effects of Annual Pulse Crops

一年生豆类作物固氮力及后效的研究

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Chinese farmers often grow multiple crops together because of the limited cultivated area.

因为耕地资源有限，中国的农民经常以镶嵌的方式进行种植。

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This article summarizes the implications and technical system of digital agriculture and expounds the roles of it in, and its influence on, the agriculture of Chinese medicinal crops.

本文概述数字农业的含义和技术体系，阐述数字农业在中药农业中的作用，及其对中药农业发展的影响。

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Analysis on current situation and problems of Chinese medicinal crops production in mountainous area of Wenzhou, Zhejiang province demonstrated challenges and advantages for further development of the crops.

分析了当前温州市中药材（植物药）的生产现状及存在问题，探讨了温州市发展中药材的机遇与优势。提出加快制订中药材生产产业政策；

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Conclusion Differential proteins can be obtained and used to identify the Chinese traditional medicinal crops by means of one-dimensional electrophoresis combined with antigen analysis.

结论采用一维电泳结合抗原分析，方法简单，可以获取差示蛋白用于中药材基原鉴别。

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Effect of ABT Rooting Powder New Types on Growth of Chinese Medicinal Crops

ABT生根粉新型试剂对中药材生长效果影响

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