The summations of forces in this and that directions must be zero.在这个和那个方向上的合力必定为零.Summations are almost invariably indicated ellipses instead of the more prevalent sigma notation.在表示“连加”的式子中,几乎一成不变地使用省略号来代替更为流行的“∑”符号....
The maglev hovers over a single or double track guideway.磁浮列车可采用单轨或是双轨运行.A hawk hovers in the sky.一只老鹰在天空盘旋.A hen hovers her chicks.一只母鸡在孵小鸡.He hovers and rises, and then hovers and rises again.盘旋,上升, 再盘旋,再升高....
小说在出版市场上占了很大的份额。Fiction takes up a large slice of the publishing market.关于我们的出版目的存在着某些误解。There has been some misunder-standing of our publishing aims.我的目标是出版一本关于彼得·莫恩的学术著作。My object was to publish a scholarly work on Pet...