直线 <img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/0faa68255de6491ba920883e3d26c526.png?x-oss-process=image/sharpen,200"/> 与直线 <img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/de61ffd88f5346af8ec358bc52b7305d.png?x-oss-process=image/sharpen,200"/> 的相对关系是（）