The minimum thickness of sheath and maximum overall diameter of cables for analogue conversion lan are to see table 2 , and the minimu thickness of sheath and maximum overall diameter of cable for digital conversion lan are to table 3 模拟交换用局用电缆的护套最小厚度和电缆最大外径见表2 ;数字交换用局用电缆的护套最小厚度和电缆最大外径见表3 。
The production ability of thin steel sheet in china is promoted . however , limited by the ability of production and anti - corrosion , the limitation of the minimum thickness could not fulfill the requirements of the development 随着生产的发展,我国薄钢板的生产能力已大大提高,限于生产能力和防腐能力而对最小壁厚作出的构造限制已不符合当前生产和技术发展的需要。
Chapter two constructed the mathematical model of robot and its environment solved by the fem analysis . the functions or relations between the robotic parameters and its drive forces , thickness or its velocities were given , and also the functions or relations between the environment and the robot force , friction , robot velocity , minimum thickness of film or sustain force of dynamic films were given 论文第二章通过建立机器人和环境的数学模型,利用有限元方法求解其中的n - s方程,得出管道中微型机器人的各种设计参数与机器人的驱动力、形成的最小润滑油膜厚度和机器人的运行速度之间的关系曲线,研究了管道环境与机器人驱动力、摩擦阻力矩、机器人运行速度、形成的最小润滑油膜厚度、油膜的承载能力之间的关系。