设曲面<img src="https://zk.995w.com/lqwvjeImg/a2/a2dc978c453981a6da692117663d3c06.png" style="width:14px;height:18px;" >由方程<img src="https://zk.995w.com/lqwvjeImg/d6/d6803eaa1cc835bf01de810fc9cedf80.png" style="width:74px;height:21px;" >给出,<img src="https://zk.995w.com/lqwvjeImg/65/6553cf2590ec22e09c460b860da819c8.png" style="width:17px;height:17px;" >为曲面<img src="https://zk.995w.com/lqwvjeImg/a2/a2dc978c453981a6da692117663d3c06.png" style="width:14px;height:18px;" >在<img src="https://zk.995w.com/lqwvjeImg/a1/a11752c1dc7eec575978cbbb3dddc156.png" style="width:28px;height:17px;" >面上的投影区域,函数<img src="https://zk.995w.com/lqwvjeImg/53/53e401bc3522616b5a482b38bb3cf48c.png" style="width:50px;height:21px;" >在<img src="https://zk.995w.com/lqwvjeImg/65/6553cf2590ec22e09c460b860da819c8.png" style="width:17px;height:17px;" >上具有连续偏导数<img src="https://zk.995w.com/lqwvjeImg/67/67d3ddfb45171f34893f4dc2b700fbed.png" style="width: 109px; height: 25px;" >,则曲面<img src="https://zk.995w.com/lqwvjeImg/a2/a2dc978c453981a6da692117663d3c06.png" style="width: 14px; height: 18px;" >的面积<img src="https://zk.995w.com/lqwvjeImg/d5/d548df31facdd9a9a5faa6e5cc509dd1.png" style="width: 16px; height: 17px;" >的计算公式为<img src="https://zk.995w.com/lqwvjeImg/c5/c5ea0f391cb59547a9f1df0a23b02b43.png" >.( )<br>·正确<br>·错误