微分方程的通解就是含有任意常数,并且任意常数个数与微分方程的阶数相同的解.
A. 对
B. 错
There are ten sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentences.1.Property is defined _______ the rights a person has to the use and disposition of an object.
A. regarding as
B. concerning
C. relating
D. looking
下列语句的执行结果是: a = 0 while a < 5: a = a + 1 if a %2 == 0: continue print(a)
A. 1 3 5
B. 1 2 3 4 5
C. 2 4
D. 1
下列语句的执行结果是: a = 0 while a < 5: a = a + 1 if a %2 == 0: break print(a)
A. 1 3 5
B. 1 2 3 4 5
C. 2 4
D. 1