Firstly, utilizing the reverse screw, the characteristics of instantaneous motion of 3-RRRRR parallel mechanisms under its initial position and under the general condition were analyzed.
首先用反螺旋分析了3 -RRRRR并联机构在初始位置下和在一般情况下的瞬时运动特性。
The general situation of the Sandlake tourism area Ningxia is introduced , including the geographical position , the condition of the natural resources , the condition of environment.
详细介绍了宁夏沙湖旅游区的基本概况,包括旅游区的地理位置、自然资源条件、环境状况等。
In the cockpit, check related equipments and switches in correct position. Check emergency flashlights for general condition, security and normal operation (if light dim replace batteries).
在驾驶舱内,检查有关设备和电门位置正确。检查应急手电状态良好,固定牢固且工作正常(如果灯光昏暗,则要更换电池)。
In the cockpit, check related equipments and switches in correct position. Check emergency flashlights for general condition, security and normal operation (if light dim replace batteries).
在驾驶舱内,检查有关设备和电门位置正确。检查应急手电状态良好,固定牢固且工作正常(如果灯光昏暗,则要更换电池)。
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