gate opening

Starting from water pressure on radial gate,the load and uplift force wereanalysed,the calculation method for the vertical water pressure on shellow open radialgate has been simplified.

从弧形闸门水压力入手，分析了闸门的荷载及启门力，并对表孔式弧门的垂直水压力提出了简化计算方法。

EnglishCanadian poetry during the period of its inception managed to cast off the limitation of British literary tradition,and opened the door for the native English poetry of Canada;while the literary force formed by a poetry school-the Confederation poets,as well as its national characteristics and nationalism.

加拿大“启门时代”的英语诗歌努力摆脱英国文学传统的束缚,开启了加拿大本土英语诗歌之门;而“联邦诗人”所形成的诗歌流派的文学力量,及其所体现的民族特征和民族主义,在独立的加拿大文学的形成过程中起到了重要的作用,标志着真正的加拿大英语诗歌文学的开端。

With a brief introduction of the scissors gate control system, the authors designed an intelligent human body recognition algorithm to deal with the problem of the follow-entering in the control system based on the analysis of the structure of this system.

介绍了启门式闸机控制系统的组成。

Determination of simultaneous opening door quantity for high-rise buildings in case of fire;

高层建筑火灾时同时开启门数量的确定