并对辊端叉头的结构和维护提出改进意见。
Meanwhile, the improvement advices for the structure and maintenance of the roller end clevis are provided.
结论：敲除叉头框c 2基因可使小鼠室间隔发育缺损。
Conclusion Targeting mutation of Fox C2 gene can result in ventricular septal defect.
方法：通过敲除小鼠叉头框c 2基因，解析敲除叉头框c 2基因小鼠的心脏发育情况。
Methods Fox C2 deficient mice were reproduced by targeting mutation and the developmental anomaly in heart was analyzed.
以实测为根据，应用断裂理论对滑块式联接轴叉头进行了失效分析，并提出了提高疲劳寿命的措施。
The failure analysis for universal shaft joint based on measuring results as well as fracture mechanic is carried out. And proposals of improving its endurance life are suggested.
以实测为根据，应用断裂理论对滑块式联接轴叉头进行了失效分析，并提出了提高疲劳寿命的措施。
The failure analysis for universal shaft joint based on measuring results as well as fracture mechanic is carried out.
万向连接轴是许多工程机械的传动连接部件，由于应力集中的影响，连接轴的叉头和扁头经常发生破坏现象。
The universal joints are the very important components in mechanical engineering, and as the effect of stress concentration, the fork of the joint axis and the flat head are often damaged.
本实用新型由于在叉头上设置柔性材料面层，在使用时可以避免叉头与汽车方向盘直接接触，因此可以防止将方向盘碰伤。
As the flexible material surface layer is arranged on the fork head, so as to avoid direct contact of the fork head and the automobile steering wheel and prevent from damaging the steering wheel.
挪威的捕鲸人昨天说他们用捕鲸叉捕获了一头雌性小须鲸。
Norwegian whalers said yesterday they had harpooned a female minke whale.
筷子刀”是一种为缺乏安全感的西方人所设计的新型筷子。 一头是传统的筷子，另一头是刀和叉，这样的设计是为了让使用者放心自如的顺利用餐。
"Fork chops\" are chopsticks for insecure Westerners and feature chopsticks at one end and forks and knives at the other, just in case the user can\'t manage during the meal.
在挂着儿子们猎获的8个角叉雄鹿鹿头的台球房，她发现天花板正在发霉，而且石灰不断地掉落到地板上。
In the pool house, where eight-point heads of buck shot by the boys are mounted, she spotted moldy ceiling tiles that had crashed to the floor.
目的：头叉转录因子箱（FOXP3）---调控大量基因的表达而且有报道说已在肿瘤细胞中有表达。
Purpose: The transcription factor forkhead box P3 (FOXP3) up- or down regulates a large number of genes and has been recently reported to be expressed in tumor cells.
万向节十字轴的四个轴颈叫做万向节十字头，分别装在两个万向节叉顶端的轴承中。
The four arms of the spider, known AS trunnions, are ASsembled into bearings in the ends of the two shaft yokes.
万向节十字轴的四个轴颈叫做万向节十字头，分别装在两个万向节叉顶端的轴承中。
The four arms of the spider, known AS trunnions, are ASsembled into bearings in the ends of the two shaft yokes.
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