【简答题】抛物线2 +5y=0的准线方程为 ,焦点坐标
【简答题】How would the auto industry most likely be affected by the business cycle? The industry is most likely toLaura James is the head portfolio manager for National Fund, a U.S. based mutual fund with a we...
【简答题】抛物线y 2 =2x的准线方程是______;该抛物线的焦点为F,点M(x 0 ,y 0 )在此抛物线上,且 |MF|= 5 2 ,则x 0 =______.
【单选题】The decline in the auto motive industry began with the oil crisis of 1973—1994, when gasoline prices rose over 300 percent. Almost immediately, consumers began switching to smaller, more fuel-efficien...
【单选题】根据计算机使用的电信号来分类,电子计算机分为数字计算机和模拟计算机,其中,数字计算机是以()为处理对象。