�����

1. Understanding travel agency and its regulation Understanding the content of tour guide and manager Case study of inbound and outbound travel group Case study of the crisis for travel group.
�t��������ҵ����ط���t������뵼��֮�������ݹ����������֮������ע����������Σ���������������������
2. Many different measures of impedance can be used, such as travel distance, travel time, or travel cost.
���Բ��úܶ��ֲ�ͬ���迹���㷽�������磬���о��룬����ʱ�䣬����гɱ���
3. Since the travel time and velocity of splitting shear waves is invariable with the fracture set's stripe at the same travel path, "constant travel time and velocity principle" is proposed.
������¼��֪������ͬ��������ķ��ѺᲨ������ʱ�ʹ����ٶȲ����ѷ췽λ�仯�ĺ㶨��������
4. Travel switch and its wiring system: When carriage drives the lance tube moving, the travel of Soot-blower is controlled by travel switch.
�г̼����߻������ܳ���������ǹ�˶�ʱ�����г̿��ؿ��ƴ������г̡�
5. Nerve impulses travel outward from the body, along invisible pathways, in much the same manner that they travel within the body.
�񾭳嶯�������е����⣬���Ų��ɼ���ͨ���������������������е����Ӳ�ࡣ

��������

evolve fare get along get along with get on got along headway make out
��չ;
All along along
һֱ������һֱ����;
accompany attend come along companion consort with string along with went with
���;
accompany attend come along companion consort with string along with went with
���;
earn one's tucker scrape along scratch along
��ǿ����;