设<img src="https://zk.995w.com/lqwvjeImg/07/07415d4397bc83757e1ff0fcba2c41c1.png">在区域<img src="https://zk.995w.com/lqwvjeImg/85/85a1e77ead4a8abef421137891072182.png">内解析,<img src="https://zk.995w.com/lqwvjeImg/cd/cdc791251b42c7aa33d82ed8be0c7c53.png">为<img src="https://zk.995w.com/lqwvjeImg/85/85a1e77ead4a8abef421137891072182.png">内任一条正向简单闭曲线,它的内部全属于<img src="https://zk.995w.com/lqwvjeImg/85/85a1e77ead4a8abef421137891072182.png">.如果<img src="https://zk.995w.com/lqwvjeImg/07/07415d4397bc83757e1ff0fcba2c41c1.png">在<img src="https://zk.995w.com/lqwvjeImg/cd/cdc791251b42c7aa33d82ed8be0c7c53.png">上的值为2,那么对<img src="https://zk.995w.com/lqwvjeImg/cd/cdc791251b42c7aa33d82ed8be0c7c53.png">内任一点<img src="https://zk.995w.com/lqwvjeImg/f7/f727c55c8a30f5d8569cd8fe7dbfeb11.png">,<img src="https://zk.995w.com/lqwvjeImg/c2/c2bac5b65350a51bec46e5dcbec3ad3d.png">( )<br>·等于0<br>·等于1<br>·等于2<br>·不能确定