a point charge q in vacuum is located at the coordinate origin. the electric field intensity at p (0, 2, 2) produced by the point charge is
which one is false?
以下说确的是()
gm(1,1)模型的基本形式有()
六、(12分)试述给出四种gm(1,1)模型差分方程和时间响应式,并讨论其适用范围。
胡金铨作为武侠电影的导演,虽然他说自己不懂武功,但是他擅长将传统文化中的 融入其武侠电影之中?
在gm(1,1)模型进行预测时,当-a在什么范围时gm(1,1)可用于中长期预测
周邦彦的《少年游》(并刀如水)是如何做到虚实结合的? ( )
辛弃疾的壮怀常常表现于他的( )。
stomach
王国维“画屏金鹧鸪”的比喻,描述了温庭筠词的( )
australia is reliant on commodity exports. such exports are always at risk of natural disasters and price fluctuations(波动). these risks lead to weakness. therefore, australia has a weak economy in global terms.(单选)
在同一个检索系统中,用同一个作者名在“作者”字段和“第一作者”字段检索到的结果数量不一样。()
柳永大力推进了( )词的普及。
the paragraph would not be unified without a topic sentence.
秦观的《踏莎行·郴州旅舍》创作于( )
which part of the ductus deferens can be easy palpated under the skin
计算三重积分:
which of the following ogical argument is the most convincing?(单选)
the costodiaphragmatic recess is between the
a heavily built, middle-aged man running down a flight of stone steps misjudged the position of one of the steps and fell suddenly onto his buttocks. following the fall, he complained of severe bruising of the area of the cleft between the buttocks and persistent pain in this area. the following statements concerning the patient are correct except which?
the “baby boom” generation has changed american society in key ways.