型如integral from 0 to 1/2 logsinrdx 的欧拉积分,其计算方法多种多样,例如,用变量代换法,用积分和法,用含参变量积分法等等。本文利用调和函数的中值定理和围线积分法给出这个积分的另外二种计算方法。方法一:利用调和中值定理:定理...型如integral from 0 to 1/2 logsinrdx 的欧拉积分,其计算方法多种多样,例如,用变量代换法,用积分和法,用含参变量积分法等等。本文利用调和函数的中值定理和围线积分法给出这个积分的另外二种计算方法。方法一:利用调和中值定理:定理如果n(z)是闭圆盘|z|≤p,(0【p【+∞)上的调和函数,那么:展开更多
When I was in the hospital awaiting minor surgery (小手术),I asked a pretty youngnurse if she thought I would be well enough to take her to dinner the following Saturday.She smiled sweetly and replied,“Perhaps you sh...When I was in the hospital awaiting minor surgery (小手术),I asked a pretty youngnurse if she thought I would be well enough to take her to dinner the following Saturday.She smiled sweetly and replied,“Perhaps you should ask my fiance (未婚未)—who展开更多
only作副词用时,通常表示强调,含有“仅仅”、“只”之意,例如: Only in this way can we wipe out the enemy troops. 只有用这样的方法我们才能消灭敌军。 He is only a child.他还不过是个小孩。但副词only还有另外一种用法。请看下...only作副词用时,通常表示强调,含有“仅仅”、“只”之意,例如: Only in this way can we wipe out the enemy troops. 只有用这样的方法我们才能消灭敌军。 He is only a child.他还不过是个小孩。但副词only还有另外一种用法。请看下面一个句子: She missed the bus and had to take the next one,but it was still only five to eight when she reached展开更多
Jaime was taking a pleasant stroll when he was suddenly hitfrom behind. “Golly, ”he said later, “for a couple of minutes Iactually-saw-stars.”When we receive a hard bump on the head wesometimes see sparks or flash...Jaime was taking a pleasant stroll when he was suddenly hitfrom behind. “Golly, ”he said later, “for a couple of minutes Iactually-saw-stars.”When we receive a hard bump on the head wesometimes see sparks or flashes of lights - and when that展开更多
文摘型如integral from 0 to 1/2 logsinrdx 的欧拉积分,其计算方法多种多样,例如,用变量代换法,用积分和法,用含参变量积分法等等。本文利用调和函数的中值定理和围线积分法给出这个积分的另外二种计算方法。方法一:利用调和中值定理:定理如果n(z)是闭圆盘|z|≤p,(0【p【+∞)上的调和函数,那么:
文摘When I was in the hospital awaiting minor surgery (小手术),I asked a pretty youngnurse if she thought I would be well enough to take her to dinner the following Saturday.She smiled sweetly and replied,“Perhaps you should ask my fiance (未婚未)—who
文摘only作副词用时,通常表示强调,含有“仅仅”、“只”之意,例如: Only in this way can we wipe out the enemy troops. 只有用这样的方法我们才能消灭敌军。 He is only a child.他还不过是个小孩。但副词only还有另外一种用法。请看下面一个句子: She missed the bus and had to take the next one,but it was still only five to eight when she reached
文摘Jaime was taking a pleasant stroll when he was suddenly hitfrom behind. “Golly, ”he said later, “for a couple of minutes Iactually-saw-stars.”When we receive a hard bump on the head wesometimes see sparks or flashes of lights - and when that
