在平面图上确定物体的位置,要根据观测点、______和______.
据分析可知:在平面图上确定物体的位置,要根据观测点、方向和距离.
故答案为:方向、距离.
Mobile computers-which (71) laptops, notebooks, subnotebooks and handhelds- (72) so ubiquitous in such a short time, no surprise to hear who say: "It will define the leading edge (73) the next five years or so." The most remarkable (74) mobile computers is the amount of data storage and memory packed (75) their tiny boxes. These devices not only handle windows easily but also run storage-hungry programs.
(72)处是()
A.included
B.include
C.have included
D.have become
E.had become
指出我国10大道地药材的区域范围,并各列举3种道地药材。