If any input to an OR gate is zero, the output is zero.
If any input to an OR gate is zero, the output is zero.
If any input to an OR gate is zero, the output is zero. A: 正确 B: 错误
If any input to an OR gate is zero, the output is zero. A: 正确 B: 错误
If the inflation rate is zero, then A: both the nominal interest rate and the real interest rate can fall below zero. B: the nominal interest rate can fall below zero, but the real interest rate cannot fall below zero. C: the real interest rate can fall below zero, but the nominal interest rate cannot fall below zero. D: neither the nominal interest rate nor the real interest rate can fall below zero.
If the inflation rate is zero, then A: both the nominal interest rate and the real interest rate can fall below zero. B: the nominal interest rate can fall below zero, but the real interest rate cannot fall below zero. C: the real interest rate can fall below zero, but the nominal interest rate cannot fall below zero. D: neither the nominal interest rate nor the real interest rate can fall below zero.
If the value of the sum of squares for error, SSE, equals zero, then the coefficient of determination must equal zero.
If the value of the sum of squares for error, SSE, equals zero, then the coefficient of determination must equal zero.
If the section figure has a symmetry axis, then for the figure ( ) to its symmetry axis. A: Both the static moment of inertia and the moment of inertia are not zero; B: Both the static moment of inertia and the moment of inertia are zero; C: The static moment of inertia is not zero, the moment of inertia is zero; D: The static moment of inertia is zero, the moment of inertia is not zero.
If the section figure has a symmetry axis, then for the figure ( ) to its symmetry axis. A: Both the static moment of inertia and the moment of inertia are not zero; B: Both the static moment of inertia and the moment of inertia are zero; C: The static moment of inertia is not zero, the moment of inertia is zero; D: The static moment of inertia is zero, the moment of inertia is not zero.
Both electric field E and electric potential V can describe the characteristics of a field. If the electric potential at a certain point is zero, the electric field at that point has to be zero.
Both electric field E and electric potential V can describe the characteristics of a field. If the electric potential at a certain point is zero, the electric field at that point has to be zero.
作动器移动到零度。 A: The actuator moves to zero. B: The actuator is driven to zero. C: The actuator functions to zero.
作动器移动到零度。 A: The actuator moves to zero. B: The actuator is driven to zero. C: The actuator functions to zero.
Which of the following statements is correct ? (1) There are two types of strains, linear strain(ε) and shearstrain(γ). (2) Strain is dimensionless. (3) If all parts of the object are not deformed, the strain at all points in the body is zero. (4) If the strain of each point is zero, the object has no displacement.
Which of the following statements is correct ? (1) There are two types of strains, linear strain(ε) and shearstrain(γ). (2) Strain is dimensionless. (3) If all parts of the object are not deformed, the strain at all points in the body is zero. (4) If the strain of each point is zero, the object has no displacement.
The electric potential inside a charged solid spherical conductor in equilibrium A: is always zero. B: is constant and equal to its value at the surface. C: decreases from its value at the surface to a value of zero at the center. D: increases from its value at the surface to a value at the center that is a multiple of the potential at the surface
The electric potential inside a charged solid spherical conductor in equilibrium A: is always zero. B: is constant and equal to its value at the surface. C: decreases from its value at the surface to a value of zero at the center. D: increases from its value at the surface to a value at the center that is a multiple of the potential at the surface
If the temperature is subzero, the temperature is . A: above zero B: below zero C: at zero D: high
If the temperature is subzero, the temperature is . A: above zero B: below zero C: at zero D: high