force per unit area造句

• The drag is a force per unit area of the layer .
  拖力是流层单位面积的力。
• Pressure is force per unit area
  压力就是电单位面积上的力。
• To find the pressure we divide the force by the area on which it presses , which gives us the force per unit area
  要求压强，则把力除以它所作用的面积，从而得出单位面积上的力。
• Measures in force per unit area [ i . e . pounds per square inch ( psi ) ] the ultimate stress that can be withstood by a material in tension prior to failure
  在出现问题前材料单位面积所能承受的极限拉力，例如：磅每平方英寸( psi ) 。