选择()→()命令可以将位图转换成矢量图。 A.”修改”,”转换位图为矢量图” B. 发布时间:2018-08-15 21:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: 选择()→()命令可以将位图转换成矢量图。A.”修改”,”转换位图为矢量图”B.”修改”,”转换矢量图为位图”C.”编辑”,”转换位图为矢量图”D.”编辑”,”转换矢量图为位图”
题型:单项选择题 有一个1000匝的线圈,在0.4秒内通过它的磁通量从0.02wb增加到0.09wb,求线圈中的感应电动势?如果线圈的电阻式10Ω,把一个电阻990Ω的电热器连接在它的两端,通过电热器的电流时多大? 查看答案
题型:单项选择题 Which of the following is caused by the earth's turning around the sun? [ ]A. The rising and setting (落下) of the sun and moon. B. The change of spring, summer, autumn and winter of the year. C. The change of the day and night.D. The time in the east is earlier than that in the west. 查看答案