All the asymptotes of root loci intersect at a point on the real axis.
举一反三
- Determine the asymptotes of root loci must be modified for positive feedback system. The angle of asymptotes will be as like this.[img=413x53]17869cad2b67b83.png[/img] A: 错 B: 对
- 翻译：“In these graphs the horizontal axis measures time, increasing toward the right away from the vertical axis.”
- When member is subjected to the eccentric loads, the wrong description of neutral axis is ( ). A: The position of the neutral axis is independent of external forces and eccentricity B: The neutral axis and the point of the external force are on opposite sides of the cross section centroid respectively C: The neutral axis is related to the shape and size of the section D: The closer the external force point is to the centroid, the farther the neutral axis is from the centroid
- The break-even point is the point at which ________. A: the total revenue and total costs lines intersect B: demand equals supply C: the production of one more unit will not increase profit D: the company can pay all of its long-term debt E: a firm's profit goal is reached
- The best no-trade point for a country on an increasing cost production possibilities curve is where: ( ) A: the curve touches the vertical axis. B: the curve touches the horizontal axis. C: the origin. D: the curve touches the highest indifference curve.