integrability conditions 中文意思是什麼
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The integrability conditions and coefficient conditions for the appearance of 5 and 6 limit cycles from the neighborhood of the equator are obtained. an example of cubic system with 6 limit cycles bifurcating from the equator is given for the first time
同時計算出系統的前6個赤道環量，得到了系統在赤道鄰域的可積性條件及在赤道附近分支出5個和6個極限環的系數條件，從而首次給出了一個平面三次系統在赤道附近分支出6個極限環的計算實例 -
By using the darboux method of integrability to some ordinary differential equations, under some given parameters conditions, a lot of integrals of motion have been found
在給定參數的條件下，對一些常微分方程，使用經典的darboux變換理論，能夠發現許多運動積分。應用painlev （
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