The phenomenon of shrinkage and swelling of wood occurs in
A: below fiber saturation point.
B: above fiber saturation point.
C: above or below the fiber saturation point.
D: no correlation with fiber saturation point.
A: below fiber saturation point.
B: above fiber saturation point.
C: above or below the fiber saturation point.
D: no correlation with fiber saturation point.
举一反三
- A<br/>pilot point is both a difficult point and a breakthrough point. ()
- In the vector field, the vector line is such a curve where ( ) A: The tangent direction at each point on it is orthogonal to the direction of the vector field at that point. B: The tangent direction at each point on it is parallel to the direction of the vector field at that point. C: The value of each point on it is equal to the value of the vector field at that point. D: The vector line is the geometric curve of the vector field function.
- Your essay is unified if you advance a single point and stick to that point.
- At 0815，visibility is excellent and you can see Montauk Point. Montauk Point is（）.
- The payback period rule A: varies the cut-off point with the interest rate. B: determines a cut-off point so that all projects accepted by the NPV rule will be accepted by the payback period rule. C: requires an arbitrary choice of a cut-off point. D: varies the cut-off point with the interest rate and requires an arbitrary choice of a cut-off point.