概念题：斜率（负、正、零）[ slope（ negative, positive,zero）]
举一反三
- 斜率（负、正、零）【slope（negative，positive，zero）】
- The sign bits (S) indicate if the temperature is positive or negative: for positive numbers S = 0 and for ______ numbers S = 1. A: negative B: zero C: positive
- If the current direction of each mesh is the same, the mutual resistance of each mesh equation ( ). A: is always negative B: is always positive C: is always zero D: can be positive or negative
- If there are two goods, and if one good has a negative price and the other has a positive price, then the slope of the budget line will be positive.
- If a well is damaged, then the skin factor S will be_______ . A: negative B: positive C: zero D: changed