Under the forces of its own weight, the suspended length of line will fall into a shape known as a______.(1.0)
A.polygon B.hyperbolic curve C.catenary curve D.parabolic curve正确答案C
Under the forces of its own weight, the suspended length of line will fall into a shape known as a______.(1.0)
A.polygon B.hyperbolic curve C.catenary curve D.parabolic curve正确答案C
