land mark造句怎么写

1、In this paper, a land mark based method is proposed for vehicle detection and shadow rejection, and finally vehicle counting is achieved based on the land mark detection method.

3、In old days, people in this village used to snoot it out with those in that village for land mark or irrigation.

2、Glass fiber encryption tensile strength increases, the more enhance bubble board with size, surface hardness and easy construction land mark fixed tube.