应用熔体流动速率仪考察了口模半径、载荷及温度对聚全氟乙丙烯(FEP)流动性能的影响。
The influences of die radius, load and temperature on the flow properties of FEP melt were investigated by using a melt flow indexer.
讨论了激光晶体的热效应以及激光模半径与泵浦光斑半径匹配对激光输出功率和输出光束质量的影响。
The influences of thermal effects and the matching of the laser mode radius with the pump spot radius on the output power and beam quality are discussed.
在工作过程中,冲头与凹模切口的半径定位,确保形成所需的圆形,而不至于在圆边产生“缺口”。
The radius of the punch and die cutting edges is laid out to produce the desired circular shape without nicking into the circle as the work proceeds.
er is a vector at each point of length one pointing radially away from the center.
r 是一个模长恒为 1 的矢量,方向沿半径向外
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