【判断题】一般位置直线的投影不反映直线对投影面倾角的真实大小。
【单选题】一般位置直线AB与H面的倾角是 ,就是直线AB与 所成的夹角,但此夹角并不在任一投影与投影轴的夹角中反映出来。
【简答题】1) According to the video clip, which city is the greenest one in Asia? 2) According to the video clip, what makes Copenhagen the top one eco-friendly city in the world? U1 Text Additional Video.wmv
【判断题】一般位置的直线,在三个投影面上的投影与投影轴之间的夹角不反映直线与投影面之间的倾角。
【简答题】Unit 1 Text Additional Video.wmv 1. According to the video clip, which city is the greenest one in Asia? 2. According to the video clip, what makes Copenhagen the top one eco-friendly city in the worl...
【简答题】U1 Text Additional Video.wmv watch the video clip and answer the questions below. 1. According to the video clip, which city is the greenest one in Asia? _______ 2. According to the video clip, which ...
【判断题】基尔霍夫电压定律是指在任意瞬间沿任意回路绕行一周,各段电压的代数和一定等于零。
【判断题】基尔霍夫电压定律是指在任意瞬间沿任意回路绕行一周,各段电压的代数和一定等于零。
【简答题】According to the video clip, which city is the greenest one in Asia? U1 Text Additional Video.wmv 2. According to the video clip, what makes Copenhagen the top one eco-friendly city in the world?
【判断题】基尔霍夫电压定律是指在任意瞬间沿任意回路绕行一周,各段电压的代数和为零。