n阶微分方程的含有n个独立的任意常数c1, c2 ,…, cn的解称为n阶微分方程的____

问答题基调，是指稿件总的（ ）和分量。

问答题Did he kill Kennedy? It’s easy to see King, the writer and researcher, as a fellow time-traveler, hopelessly curious about what Oswald might say on tape or reveal while strolling around Fort Worth. But the past, the novel repeatedly reminds us, is obdurate. Under interrogation, it guards its darkest secrets. Weeks before the 22nd, Amberson is living below the Oswalds, and he still can’t be sure: “I tried the distance mic, standing on a chair and holding the Tupperware bowl almost against the ceiling. With it I could hear Lee talking and de Mohrenschildt’s occasional replies, but I couldn’t make out what they were saying.”