【单选题】在d轴定向于转子磁链矢量的同步旋转坐标系中,如能保持转子磁链大小不变,则电磁转矩与定子电流的q轴分量成()关系。
【简答题】按要求画一画,填一填.(图中每个小方格边长为1cm)画出图中三角形按3:1放大后的图形,放大后的三角形的面积是______平方厘米.
【简答题】Why is ocean exploration not so expensive as space travel? Because ______ for submersibles to get away from the Earth's gravity.
【单选题】Why did Magellan call the ocean the Pacific?
A.
Because he finally got to it.
B.
Because it was a new ocean.
C.
Because it was called the Pacific then.
D.
Because after struggles crossing the Atlantic, he saw it as calm and peaceful.
【简答题】按要求画一画。 (1)○在二行③,请在图中画出“○”。 (2)将○右移4格,再向上移2格,画在图中。 (3)△在五行⑧,请在图中画出“△”。 (4)将△向下移3格,再向左移6格,画在图中。
【单选题】Why does Kate say, "That's a view of the ocean?"
A.
She thinks it's beautiful.
B.
She can't see a view of the ocean.
【简答题】按下列要求画图。 (1)画出一个角关于直线l对称的图形; (2)画出四边形关于一边中点O对称的图形。
【简答题】Why did Magellan call
the ocean the Pacific?A. Because he finally got to it. B. Because it was a new ocean. C. Because it was called the Pacific then. D. Because after struggles crossing the Atlantic,...
【简答题】按下列要求画图 (1)如图1,画出一个角关于直线l对称的图形; (2)如图2,画出四边形关于一边中点O对称的图形.
【简答题】①在如图所示的方格纸中,按下列要求画图: (1)过点C画AB的平行线DF; (2)过点A画AB的垂线MN. ②图中物体的主视图和俯视图如图所示,请在所给的方格纸中画出该物体的左视图?