contribute [kən'tribju:t]v. 有助于,捐助,投稿,贡献 例句与用法:Would it be presumptuous of me to ask you to contribute?可否冒昧请求你出一份力?It was generous of her to contribute such a larg
PHYSICAL REVIEW E是美国物理协会出版的期刊,其详细信息如下:期刊名:PHYSICAL REVIEW E 出版国家:UNITED STATES 出版商:Published by the American Physical Society through the American Institute of Physics 出版周期:Sem
如果一个物体本身没有加速度,你就能认为它身上没有接受到外力吗?解释一下。What is the acceleration of a rock at the top of its trajectory when thrown straight upward? Explain whether or not the answer is ze